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Trustscore 4.8 | 1,200+ reviews
1/8
KIFOS2 - Optical Fiber Identifier
$169.90
- Motorized EasyClamp: One-button, hands-free fiber identification.
- Advanced Detection: Power, direction & frequency (270Hz–2kHz).
- Built-in Tools: VFL + LED work light for field diagnostics.
- Pro-Grade Build: Durable, ergonomic, rechargeable long-life design.
Description
The Karvinger KIFOS2 is a professional-grade optical fiber identifier engineered for precise live fiber detection using advanced micro-bending technology. It measures optical power, signal direction, and modulation frequencies (CW/270Hz/1kHz/2kHz) across 850–1700nm, optimized for 1310 & 1550nm. The motorized EasyClamp system provides consistent, hands-free clamping with a single button. Includes a built-in VFL, LED work light, rechargeable battery, and durable field-ready housing.
Condition: Brand new, unused, unopened.
Technical Specifications
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Battery type & capacity: Rechargeable lithium battery — runtime up to 24h (LED) & 1000+ ID cycles
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Material: Advanced cold-molded ergonomic housing
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Dimensions: 6.3 × 2.0 × 1.4 in
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Weight: 7.04 oz
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VFL output: 10mW @650
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Wavelength range: 850–1700nm (optimized for 1310/1550nm)
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Accuracy: +/- 0.01dBm
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Charging type: USB rechargeable
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Certifications: CE, FCC, RoHS
Included in the Box
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KIFOS2 Optical Fiber Identifier
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Carbon fiber protective case
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USB charging cable
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Lanyard
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User manual
- Support card
Compatibility
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SC / FC / ST connectors
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0.25mm bare fiber, 0.9mm, 2.0mm, 3.0mm fibers
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Singlemode & multimode fibers
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CW, 270Hz, 1kHz, 2kHz frequency detection
Delivery
Processing Time: Orders ship same day or next day.
Shipping Options:
• Standard Shipping (Included)
• Express Shipping (calculated at checkout)
Shipping Time:
• Standard Shipping: 3-6 days
• Express Shipping: 2-3 days
Free Shipping
Fast delivery, typically arrives in 2-5 days.
Price-Match Guarantee
You always get the best price when you order with us.
Hassle-Free Exchanges
Easy returns and exchanges with step-by-step guidance.
Engineered for Accurate Live-Fiber Detection
Identify active fibers instantly with precision micro-bending technology.
Get clear readings for signal direction, optical power, and modulation frequencies even in complex deployments.
1
Motorized EasyClamp™
Eliminates manual pressure for consistent results with every test.
2
Universal Fiber Compatibility
Works with 0.25mm to 3.0mm fibers — no clamp changes needed.
1
2
3
4
3
Built-In VFL
Locate breaks, bends, and faults instantly with continuous or flashing modes.
4
Long-Lasting Battery
Up to 24 hours of LED use and 1,000+ identification cycles per charge.
One Tool. Every Fiber Type.
Switching adaptors slows you down.
The Karvinger OFI adapts automatically to 0.25mm bare fibers, 0.9mm tight buffer, and 2.0/3.0mm patch cords — all with a single motorized mechanism.
Our Customers Say It Best
Excellent
4.7/ 5
Trusted by 6,200+ customers
HUGE upgrade from the cheap ones
Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price.
Ken
Best optical power meter
Best one I’ve ordered. Best one I’ve ordered. Best one I’ve ordered.
Amazon Customer
All-in-one tool
Great tool with everything I need in one device. Great tool with everything I need in one device. Great tool with everything I need in one device.
Joe
Great
Works perfectly. Works perfectly. Works perfectly.
Wayne G.
Excellent for fiber & Ethernet
Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions.
Zombie Dad
Easy and rugged
Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well.
LA DaveMan
A must-have for field work
Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too.
Superdeleted
Accurate and flexible tester
Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types.
Scott
Great value and build quality
Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use.
Jennifer Renee Shipman
Great multi-tool for fiber work
Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value.
Shmack's Thoughts
Reliable fiber tool
Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging.
Jonathan N
Great for home networks
Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup.
Mark H
Works well and built to last
Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool.
Eli
Nice multi-function tester
Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet.
Sugar
Great basic unit
Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case.
Ethan
Easy and effective
Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks.
Anappa
Excellent fiber & CAT6 tester
Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case.
Vine Customer
Very good meter
Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed.
P. Rutkowski
Our main tester now
Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need.
slwpdx
Accurate and great value
Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy.
J
HUGE upgrade from the cheap ones
Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price.
Ken
Best optical power meter
Best one I’ve ordered. Best one I’ve ordered. Best one I’ve ordered.
Amazon Customer
All-in-one tool
Great tool with everything I need in one device. Great tool with everything I need in one device. Great tool with everything I need in one device.
Joe
Great
Works perfectly. Works perfectly. Works perfectly.
Wayne G.
Excellent for fiber & Ethernet
Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions.
Zombie Dad
Easy and rugged
Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well.
LA DaveMan
A must-have for field work
Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too.
Superdeleted
Accurate and flexible tester
Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types.
Scott
Great value and build quality
Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use.
Jennifer Renee Shipman
Great multi-tool for fiber work
Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value.
Shmack's Thoughts
Reliable fiber tool
Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging.
Jonathan N
Great for home networks
Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup.
Mark H
Works well and built to last
Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool.
Eli
Nice multi-function tester
Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet.
Sugar
Great basic unit
Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case.
Ethan
Easy and effective
Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks.
Anappa
Excellent fiber & CAT6 tester
Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case.
Vine Customer
Very good meter
Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed.
P. Rutkowski
Our main tester now
Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need.
slwpdx
Accurate and great value
Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy.
J
HUGE upgrade from the cheap ones
Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price.
Ken
Best optical power meter
Best one I’ve ordered. Best one I’ve ordered. Best one I’ve ordered.
Amazon Customer
All-in-one tool
Great tool with everything I need in one device. Great tool with everything I need in one device. Great tool with everything I need in one device.
Joe
Great
Works perfectly. Works perfectly. Works perfectly.
Wayne G.
Excellent for fiber & Ethernet
Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions.
Zombie Dad
Easy and rugged
Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well.
LA DaveMan
A must-have for field work
Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too.
Superdeleted
Accurate and flexible tester
Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types.
Scott
Great value and build quality
Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use.
Jennifer Renee Shipman
Great multi-tool for fiber work
Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value.
Shmack's Thoughts
Reliable fiber tool
Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging.
Jonathan N
Great for home networks
Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup.
Mark H
Works well and built to last
Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool.
Eli
Nice multi-function tester
Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet.
Sugar
Great basic unit
Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case.
Ethan
Easy and effective
Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks.
Anappa
Excellent fiber & CAT6 tester
Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case.
Vine Customer
Very good meter
Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed.
P. Rutkowski
Our main tester now
Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need.
slwpdx
Accurate and great value
Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy.
J
HUGE upgrade from the cheap ones
Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price.
Ken
Best optical power meter
Best one I’ve ordered. Best one I’ve ordered. Best one I’ve ordered.
Amazon Customer
All-in-one tool
Great tool with everything I need in one device. Great tool with everything I need in one device. Great tool with everything I need in one device.
Joe
Great
Works perfectly. Works perfectly. Works perfectly.
Wayne G.
Excellent for fiber & Ethernet
Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions.
Zombie Dad
Easy and rugged
Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well.
LA DaveMan
A must-have for field work
Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too.
Superdeleted
Accurate and flexible tester
Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types.
Scott
Great value and build quality
Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use.
Jennifer Renee Shipman
Great multi-tool for fiber work
Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value.
Shmack's Thoughts
Reliable fiber tool
Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging.
Jonathan N
Great for home networks
Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup.
Mark H
Works well and built to last
Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool.
Eli
Nice multi-function tester
Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet.
Sugar
Great basic unit
Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case.
Ethan
Easy and effective
Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks.
Anappa
Excellent fiber & CAT6 tester
Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case.
Vine Customer
Very good meter
Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed.
P. Rutkowski
Our main tester now
Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need.
slwpdx
Accurate and great value
Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy.
J
HUGE upgrade from the cheap ones
Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price.
Ken
Best optical power meter
Best one I’ve ordered. Best one I’ve ordered. Best one I’ve ordered.
Amazon Customer
All-in-one tool
Great tool with everything I need in one device. Great tool with everything I need in one device. Great tool with everything I need in one device.
Joe
Great
Works perfectly. Works perfectly. Works perfectly.
Wayne G.
Excellent for fiber & Ethernet
Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions.
Zombie Dad
Easy and rugged
Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well.
LA DaveMan
A must-have for field work
Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too.
Superdeleted
Accurate and flexible tester
Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types.
Scott
Great value and build quality
Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use.
Jennifer Renee Shipman
Great multi-tool for fiber work
Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value.
Shmack's Thoughts
Reliable fiber tool
Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging.
Jonathan N
Great for home networks
Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup.
Mark H
Works well and built to last
Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool.
Eli
Nice multi-function tester
Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet.
Sugar
Great basic unit
Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case.
Ethan
Easy and effective
Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks.
Anappa
Excellent fiber & CAT6 tester
Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case.
Vine Customer
Very good meter
Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed.
P. Rutkowski
Our main tester now
Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need.
slwpdx
Accurate and great value
Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy.
J
HUGE upgrade from the cheap ones
Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price. Super accurate, easy-to-read display, and excellent battery life. Feels close to my old JDSU/Viavi for a fraction of the price.
Ken
Best optical power meter
Best one I’ve ordered. Best one I’ve ordered. Best one I’ve ordered.
Amazon Customer
All-in-one tool
Great tool with everything I need in one device. Great tool with everything I need in one device. Great tool with everything I need in one device.
Joe
Great
Works perfectly. Works perfectly. Works perfectly.
Wayne G.
Excellent for fiber & Ethernet
Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions. Great meter for troubleshooting fiber and Ethernet at home. Easy to use, rechargeable, accurate, and packed with useful functions.
Zombie Dad
Easy and rugged
Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well. Rugged, rechargeable, accurate, and easy to use. Displays wire maps clearly and handles both fiber and RJ45 tests well.
LA DaveMan
A must-have for field work
Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too. Reliable, precise, compact, and extremely handy on job sites. Works great at home too.
Superdeleted
Accurate and flexible tester
Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types. Bright screen, accurate readings, and great functionality with multiple connector types.
Scott
Great value and build quality
Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use. Accurate readings, durable build, excellent battery life and very easy to use.
Jennifer Renee Shipman
Great multi-tool for fiber work
Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value. Accurate power meter, bright VFL, and useful RJ45 tester. Rechargeable and durable—excellent value.
Shmack's Thoughts
Reliable fiber tool
Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging. Clear screen, bright light, accurate power readings, and easy RJ45 checks. USB-C charging.
Jonathan N
Great for home networks
Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup. Strong battery life, solid build, and more features than expected. Extremely helpful for home network setup.
Mark H
Works well and built to last
Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool. Sturdy, accurate, clear display, and a very effective VFL. Reliable 4-in-1 tool.
Eli
Nice multi-function tester
Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet. Good value, easy to use, solid build, and works great for both fiber and Ethernet.
Sugar
Great basic unit
Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case. Good unit with a sharp display and useful features. Comes with a nice case.
Ethan
Easy and effective
Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks. Bright display, simple controls, well built, and works great for both RJ45 and optical checks.
Anappa
Excellent fiber & CAT6 tester
Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case. Accurate light readings and great cable mapping. Rechargeable and comes with a hard case.
Vine Customer
Very good meter
Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed. Accurately tests both fiber and Ethernet cables. Detected issues my other tester missed.
P. Rutkowski
Our main tester now
Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need. Replaced all our other testers. Easy to use and does everything we need.
slwpdx
Accurate and great value
Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy. Easy to use, charges fast, holds a charge, and matches name-brand meters in accuracy.
J
Built for the Field, Day After Day
From tight network cabinets to outdoor work, this OFI is built to perform.
Durable cold-molded construction, bright work light, and a lightweight design keep you fast and efficient on every job.
