Optical Fiber Identifiers
GAO Tek’s fiber identifiers are devices used in fiber optic networks to determine the presence and direction of optical signals within an optical fiber. They work by clamping onto the fiber without disrupting the signal flow and using non-destructive methods to identify and locate active fibers. Our fiber identifiers are used in fiber optic installation, maintenance, and troubleshooting to verify the connectivity and integrity of fiber optic cables.

GAO’s fiber identifiers are composed of a clamping mechanism, an optical sensor, display or indicator, power source, control buttons or interfaces, and fiber adapter or receptacle.

The other common names of fiber identifiers are fiber identifying tools, optical fiber identifiers, fiber cable identifiers, fiber line identifiers, optical core identifiers, fiber optic line identifiers, fiber path identifiers, fiber network identifiers, optical cable identifiers, fiber bundle identifiers, optical strand identifiers, fiber thread identifiers, fiber identification devices, cable fiber locators, and fiber signal tracers.

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GAOTek Active Fiber Identifier

GAOTek active fiber identifiers are important tools for optical maintenance, which are used for nondestructive fiber identification work and can detect in any location of both SM and MM fibers.
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GAOTek Cable Identifier

SKU: GAOTek- OFI-103
This Cable Identifier has wavelength range of 900 nm to 1700 nm, and operating conditions of 14° F to 122° F, power supply of 1.2 V to 1.5 V DC.
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GAOTek Detector Optical Live Fiber Identifier

SKU: GAOTek-OFI-129
This Detector Optical Live Fiber Identifier offers quickly locate fiber, signal direction & type. Wide wavelength range & built-in power meter.
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GAOTek Fiber Detector

SKU: GAOTek-OFI-119
GAOTek Fiber Detector is an advanced optical live fiber identifier designed to identify the presence of live optical signals quickly and accurately in fiber optic cables.
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GAOTek Fiber Detector

SKU: GAOTek-FIDS-134
GAOTek fiber detectors are handheld Optical Fiber Identifiers designed for optical fiber installation and maintenance.
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GAOTek Fiber Detector

SKU: GAOTek-OFI-111
GAOTek Fiber Detector is a versatile and efficient live fiber detector designed to identify optical signals without disrupting traffic.
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GAOTek Fiber Identifier

SKU: GAOTek-FIDS-204
This Fiber Identifier has temperature range of 14 °F to 122 °F, humidity range of 0% RH to 95% RH and wavelength response of 0.9 µm to 1.7 µm.
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GAOTek Fiber Identifier

SKU: GAOTek-FI-133
Features • Low-frequency signal online injection • Do not interfere with the online optical fibre • Support a variety of
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GAOTek Fiber Identifier

SKU: GAOTek-OFI-137
GAOTek fiber identifier is a compact, multi-functional, handheld E1 line test instrument, specially designed for installation and maintenance.
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GAOTek Fiber Identifier

SKU: GAOTek-OFI-113
GAOTek Fiber Identifier is an advanced optical fiber testing device that combines the functionality of a live fiber identifier and an optical power meter.
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GAOTek Fiber Identifier

SKU: GAOTek-FIDS-205
GAOTek Fiber Identifier is a friendly, easy to operate and non-invasive optical cable.
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GAOTek Fiber Identifier

SKU: GAOTek-FIDS-207
GAOTek Fiber Identifier is for clamping the fiber to be identified.
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GAOTek Fiber Identifier

SKU: GAOTek-FIDS-208
This Fiber Identifier has 1650 nm wavelength, it has <0.8 dB insertion low, it has >=35 dBm sensibility, and it has 25 dBm to -35 dBm power range.
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GAOTek Fiber Identifier

SKU: GAOTek-FIDS-209
GAO Tek Fiber Identifier is a 6-motor fusion splicer with the latest fiber core to core alignment technology, it has very stable performance and low fusion loss, it is suitable for different fiber optical projects, including backbone, FT Tx etc.
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GAOTek Fiber Identifier

SKU: GAOTek-FIDS-210
GAOTek Fiber Identifier is a specially developed instrument for telecommunications engineers and technicians to identify a desired target fiber optical cable, which is a friendly, easy to operate and non-invasive to the optical fiber cable.
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GAOTek Fiber Identifier

SKU: GAOTek-FIDS-211
This Fiber Identifier has cladding diameter of 150 μm, it has coating diameter of 100 μm to 1000 μm, and it has cutting length of 8 mm to 16 mm.
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GAOTek Fiber Identifier

SKU: GAOTek-FIDS-212
GAOTek fiber identifier is an important tool for optical maintenance, which is used for nondestructive fiber identification work, can be detected in any location of both SM and MM fiber.
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GAOTek Fiber Identifier

SKU: GAOTek-FIDS-213
GAOTek fiber identifier is an important tool for optical maintenance, which is used for non-destructive fiber identification project, can be detected in any location of SM & MM fiber.
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GAOTek Fiber Identifier With Power Meter Function

SKU: GAOTek-FIDS-136
GAOTek fiber identifiers with power meter functions enable users to easily detect optical signals without disconnecting fibers or disrupting network traffic
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-199
GAOTek fiber identifiers is an important tool for optical maintenance, which is used for non-destructive fiber identification work, can be detected in any location of both SM and MM fiber.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-203
GAOTek fiber identifiers are optical fiber maintenance essential tools for no-destructive identification of optical fiber can be in any position of singe mode fiber detection.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-184
This Fiber Identifiers has wavelength of 900 nm to 1700 nm, power supply of 1.2 V to 1.5 V DC, test modes of 15 modes and modulated tones of 270 kHz.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-185
GAOTek fiber identifiers is users to easily detect the optical signal without disconnecting fiber or disrupting network traffic.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-186
GAOTek fiber identifiers is users to find specific optical fibers in optical fiber maintenance.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-187
This Fiber Identifiers has wavelength of 1550 nm, test distance of 24.8 mi (40 km), display of 7 in (17.7 cm), and power supply of DC 15 V or 4 A.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-188
GAOTek fiber identifiers is the easiest way to identify fibers from end to end and locate polished connector end faces.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-189
This Fiber Identifiers has power supply of AA x 2, wavelength range of 800 nm to 1700 nm, visual fault locator of 1 mW,10 mW and 50dBm sensitivity.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-202
GAOTek fiber identifiers are an important tool for optical maintenance, which is used for nondestructive fiber identification work, and can be detected in any location of both SM and MM fiber.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-190
GAOTek Fiber Identifiers quickly identify the direction of transmitted fiber and display the relative core power without interrupting the current service.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-191
GAOTek fiber identifiers is a handheld Optical Fiber Identifier which is designed for optical fiber installation and maintenance.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-192
GAOTek fiber identifiers are easy to use test instruments that detect the presence of signals on optical fibers.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-193
GAOTek fiber identifiers is an important tool for optical maintenance, which is used for nondestructive fiber identification work can be detect in any location of both SM and MM fiber Meanwhile it also has Visual Fault Locator module with fault location function.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-201
GAOTek fiber identifiers can quickly identify the direction of transmitted fiber and display the relative core power without any damage to the bent fiber.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-200
This Fiber Identifiers has wavelength range of 800 nm to 1700 nm, it has detector type of InGaAs 2pcs, and it has power supply of AA x 2.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-198
This Fiber Identifiers has operating mode of manual and automatic, it has typical welding time of 7 sec, and it has pull test of 1.8 N to 2.2 N.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-197
GAOTek fiber identifiers easily detect the optical signal without having to disconnect the fiber or disrupt network traffic.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-196
This Fiber Identifiers has optical tone receiver of (270 kHz, 1 kHz, 2 kHz), it has loss of 0.6 dB at 1310 nm, and it has spectral response of 1650 nm.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-195
GAOTek Fiber Identifiers is an optical fiber identifier for telecommunication cable.
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GAOTek Fiber Identifiers

SKU: GAOTek-FIDS-194
This Fiber Identifiers has input power of +20 dBm, it has sensitivity of -50 dBm, it has battery of AA or LR6 alkaline, and it has 3.6 cm TFT screen.  
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GAOTek Fiber Optic Cable Identifier

SKU: GAOTek-FI-132
GAOTek Fiber Optic Cable is a specially developed instrument for telecommunication’s engineers and technicians to identify a desired target fiber optical cable, which is a friendly, easy to operate and non-invasive to the optical fiber cables
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GAOTek Fiber Optic Cable Tester

SKU: GAOTek-FI-126
Features • On-line test, no damage to the fiber, no signal interference. • Insert loss < 0.8 dB for all
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GAOTek Fiber Optic Identifier

SKU: GAOTek-FI-127
GAOTek Fiber Optic enables users to easily detect the optical signal without disconnecting fiber or disrupting network traffic.
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GAOTek Fiber Optic Identifier

SKU: GAOTek-OFI-107
GAOTek fiber optic identifier lets users easily detect the optical signal without disconnecting fiber or disrupting network traffic.
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GAOTek Fiber Optic Identifier

SKU: GAOTek- OFI-106
GAOTek fiber optic identifier is designed for use with a wide range of single-mode fibers including 250 μm (bare) coated, 900 μm buffered and ribbon fibers or 0.07 in and 0.11 in (2 mm and 3 mm) jacketed fibers.
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GAOTek Fiber Optic Identifier With Fusion Splicer

SKU: GAOTek-OFI-114
GAOTek Fiber Optic Identifier with Fusion Splicer is an entirely handheld fiber identifier and automatic fiber fusion splicer designed for FTTH applications.
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GAOTek Fiber Optical Cable Identifier With OTDR

SKU: GAOTek-OFI-115
GAOTek Fiber Optical Cable Identifier with OTDR is a cutting-edge device designed to identify and characterize optical fibers in telecommunication networks
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GAOTek Fiber Optical Identifier

SKU: GAOTek-OFI-118
GAOTek Fiber Optical Identifier is a versatile and efficient tool designed for both Single Mode (SM) and Multimode (MM) fibers, covering a wide wavelength range from 800nm to 1700nm.
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GAOTek Fiber Traffic Identifier Multi-Function

SKU: GAOTek-OFI-126
This Fiber Traffic Identifier has Ergonomic pistol design, flashlight, versatile fiber adapter. Accurate and compact for FTTX use.
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GAOTek Fiber Traffic Signal Identifier

SKU: GAOTek-OFI-130
GAOTek fiber traffic signal identifier can quickly identify the direction of transmitted fiber and display the relative core power without any damages to the bended fiber
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GAOTek Fiber Traffic Signal Identifier

SKU: GAOTek-FIDS-139
GAOTek fiber traffic signal identifiers can quickly identify the directions of transmitted fibers and display the relative core powers without any damage to the bent fibers.
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GAOTek Graphical Results Display Optic Fiber Wire Optical Cable Identifier

SKU: GAOTek-OFI-122
GAOTek graphical results display optic fiber wire optical cable identifier are based on the elastic effect of optical fiber, and converts the bending or shaking signal of optical cable into visual and audio signal through coherent demodulation of light, so as to accurately find and identify the target optical cable laid in the environment of man shaft, tunnel, pipeline and over-head pole.
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GAOTek Handheld Optical Fiber Identifier

SKU: GAOTek-FIDS-137
This Handheld Optical Fiber Identifier has 100 um to 1000 um coating diameter, 8 mm to 16 mm cutting length, 60 dB return loss and 15 s heating time.
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GAOTek Live Fiber Identifier

SKU: GAOTek-OFI-140
GAOTek live fiber identifiers are simple, rugged, easy-to-use test instruments that detect the presence of signals on optical fiber.
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GAOTek Live Fiber Optical Identifier

SKU: GAOTek-OFI-105
GAOTek Live Fiber Optical Identifier set is a portable, efficient, accurate and easy-to-use fiber optic test instrument designed to detect signals transmitted through a single-mode fiber without disrupting traffic.
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GAOTek Mini Optical Fiber Identifier

SKU: GAOTek-FIDS-140
This Mini Optical Fiber Identifier has a wavelength of 1550 nm, VFL is 10 mw, 4400 mAh Lithium battery and 0 miles to 3.73 miles (0 km to 6 km) OTDR.
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GAOTek Optical Cable Identification Instrument

SKU: GAOTek- OFI-108
GAOTek Optical Cable Identification Instrument adopts the pulse current principle to inject the cable core with a pulse-coded current signal, which generates electromagnetic fields around the target cable for the receiver and the flexible current clamp to detect, decode and identify.
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GAOTek Optical Cable Identifier

SKU: GAOTek- OFI-110
GAOTek optical cable identifier is a specially developed instrument for telecommunications engineers and technicians to identify a desired target fiber optical cable, which is friendly, easy to operate and non-invasive to the optical fiber cables.
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GAOTek Optical Cable Identifier

SKU: GAOTek- OFI-102
This optical cable identifier has operating wavelength of 1550 nm, test distance of 24.85 mi, and unidirectional cable loss of 14 dB.
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GAOTek Optical Cable Identifier

SKU: GAOTek-FI-131
Features • Automatic parameter adjustment • Strong environmental adaptability • Audio visual signal output • APP real-time display of knocking
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GAOTek Optical Cable Identifier

SKU: GAOTek- OFI-109
GAOTek optical cable identifier is based on the elastic effect of optical fiber.
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GAOTek Optical Cable Identifier

SKU: GAOTek- OFI-101
GAOTek optical identifier converts the knock and vibration signals of optical fiber into visual and audio signals through optical interference demodulation according to the optical fiber elastic optical effect and accurately locates and identifies the target optical fiber laid in the environment of human wells, tunnels, pipelines and electric poles overhead.
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GAOTek Optical Cable Identifier

SKU: GAOTek-OFI-123
GAOTek optical cable identifier can accurately identify the specific cable from a bunch of aerial, duct, or direct buried cables by connecting it to one fiber with optical connector in the cable and knocking the cables.
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GAOTek Optical Fiber Cable

SKU: GAOTek-OFI-116
GAOTek Optical Fiber Cable is a reliable and efficient fiber optic equipment designed to quickly identify the direction of the transmitted fiber.
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GAOTek Optical Fiber Detector

SKU: GAOTek-OFI-117
GAOTek Optical Fiber Detector is an essential device used in fiber optic networks for identifying live optical fibers without disrupting signal transmission.
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GAOTek Optical Fiber Detector Live Fiber Identifier

SKU: GAOTek-OFI-121
GAOTek optical fiber detector live fiber identifier is an important tool for optical maintenance, which is used for nondestructive fiber identification work, can be detect in any location of both SM and MM fiber
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GAOTek Optical Fiber Identifier

SKU: GAOTek-OFI-139
GAOTek optical fiber identifier is an optical fiber maintenance essential tool for no-destructive identification of optical fiber can be in any position of single-mode fiber detection.
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GAOTek Optical Fiber Identifier

SKU: GAOTek-OFI-120
GAOTek Optical Fiber Identifier is a versatile and reliable tool for nondestructive fiber identification and maintenance projects.
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GAOTek Optical Fiber Identifier

SKU: GAOTek-FI-125
Features • World’s highest detection sensitivity. • Identification of modulated tones at 270 Hz, 1 kHz and 2 kHz (square
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GAOTek Optical Fiber Identifier

SKU: GAOTek-OFI-127
This Optical Fiber Identifier Identify fibers without opening, hands-free operation. Wide range, interchangeable heads, accurate readings.
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GAOTek Optical Fiber Identifier

SKU: GAOTek-OFI-112
GAOTek Fiber Identifier is designed to generate stable optical signals with high precision and accuracy, making it ideal for testing and calibrating optical power meters and other fiber optic equipment
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GAOTek Optical Fiber Identifier

SKU: GAOTek-OFI-138
GAOTek optical fiber identifier is a handheld intelligent PDA which is especially designed for the telecommunication field engineers operation and maintenance.
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GAOTek Optical Fiber Identifier

SKU: GAOTek-OFI-141
GAOTek optical fiber identifiers are rugged, easy-to-use test instruments that detect the presence of signals on optical fibers.
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GAOTek Optical Fiber Identifier

SKU: GAOTek-FIDS-206
GAOTek optical fiber identifier is simple, easy to use and reliable.
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GAOTek Optical Fiber Identifier

SKU: GAOTek-FIDS-142
GAOTek optical fiber identifiers are optical fiber maintenance essential tools for non-destructive identification of optical fibers in any position of single-mode fiber detection.
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GAOTek Optical Fiber Identifier

SKU: GAOTek-FIDS-138
This Optical Fiber Identifier has 800 nm to 1650 nm spectral response, approx.5000 readings of battery life and operates in 0% to 90% humidity.
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GAOTek Optical Fiber Identifier

SKU: GAOTek-FIDS-135
GAOTek optical fiber identifiers are important tools for optical maintenance, which are used for nondestructive fiber identification work, can be detected in any location of both SM and MM fibers, and realize to find fibers online without modulation signals in optical fiber signals.
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GAOTek Optical Fiber Light Identifier

SKU: GAOTek-OFI-104
This optical fiber light identifier has display screen of 1.44 in TFT, maximum input power of + 20 dBm, and minimum sensitivity of - 50 dBm.
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GAOTek Optical Fiber Tester

SKU: GAOTek-FI-129
Features • Multifunctional Optical Fiber Tester. • OTDR: Optical Time Domain Reflectometer. • OPM: Optical Power Meter. • LS: Light
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GAOTek Optical Fiber Tester

SKU: GAOTek-FI-128
Features • Visible 5.5-inch LCD in the sunlight. • Support Google Play, WIFI 5G. • Support 35B VDSL, GFAST, DMM,
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GAOTek Optical Identifier Fiber Detector

SKU: GAOTek-OFI-125
This Optical Identifier offers universal fiber clamp, touch screen, continuous clamping. Ideal for FTTH with up to 12-fiber ribbon.
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GAOTek Optical Live Fiber Identifier

SKU: GAOTek-FIDS-141
This Optical Live Fiber Identifier has 0.9 mm fiber type, 800 nm to 1700 nm wavelength and 14 ℉ to 122 ℉ (-10 ℃ to +50 ℃) operating temperature.
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GAOTek Optical Signal Generator Fiber Identifier

SKU: GAOTek-OFI-128
GAOTek optical signal generator fiber identifier is an important tool for optical maintenance, which is used for nondestructive fiber identification work, can detect in any location of both SM and MM fiber
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GAOTek Portable Toxic Gas Detector

SKU: GAOTek-OGD-132
This Portable Toxic Gas Detector has a temperature of -4 °F to 176 °F,2 rechargeable lithium batteries and response time than 2s.
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GAOTek Ribbon Fiber Optic Identifier

SKU: GAOTek-OFI-124
This Ribbon Fiber Optic Identifier offers bend-insensitive fibers detection, multiple test modes. Accurate identification for diverse field use
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GAOTek Optical Fiber Identifier with High Accuracy (Lightweight)

SKU: GAO-OFI-102
This Optical Fiber Identifier with High Accuracy is a lightweight device which comes with 4 adapters and is used to indicate the signal direction in optical fibers and is essentially used in installation and maintenance of optical fiber cables.
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GAOTek Optical Fiber Identifier with Signal Direction (Relative Core Power)

SKU: GAO-OFI-103
This portable Optical Fiber Identifier with Signal Direction (Relative Core Power) identifies the direction of transmitted fiber and displays the relative core power without disrupting the traffic on that fiber.
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GAOTek Optical Fiber Identifier with Signal Injection/Identifier

SKU: GAO-OFI-104
This Optical Fiber Identifier with Signal Injection/Identifier recognizes the low-frequency signal online injection, without disrupting other online optical fibers.
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GAOTek Optical Fiber Identifier with Multi Adapter (Signal Indicator)

SKU: GAO-OFI-105
This Optical Fiber Identifier with Multi Adapter (Signal Indicator) is an essential fiber installation and maintenance instrument for detecting optical signals in SM fibers comes with 4 types of adapter heads (Ø0.25, Ø0.9, Ø2.0 and Ø3.0).
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GAOTek Optical Fiber Identifier with Large Range (Long Battery)

SKU: GAO-OFI-106
This Optical Fiber Identifier with Large Range (Long Battery) uses fiber interference technology for quick identification of cables which are usually buried in the wells or wire poles for a maximum test range of 37.28 mi (60 km).
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GAOTek Optical Fiber Identifier with OFI & VFL (Low Battery Sign)

SKU: GAO-OFI-107
This Optical Fiber Identifier with OFI & VFL (Low Battery Sign) allows the user to maintain data traffic through an optical fiber cable and is used for optical fiber installation and maintenance.
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GAOTek Optical Fiber Identifier

SKU: GAO-OFI-108
This portable Optical Fiber Identifier is designed to detect optical signals without disrupting traffic by using the non-destructive macro-bending technology.
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GAOTek Optical Cable Identifier

SKU: GAO-OFI-109
This Optical Cable Identifier is designed for fast identification of cables, which is buried underground and comes with a maximum test range of 37.3 miles
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GAOTek Portable Optical Fiber Identifier

SKU: GAO-OFI-110
This portable optical identifier is an easy to use device which quickly identifies the direction of transmitted fiber without disrupting the current service.
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GAOTek Compact Fiber Optic Identifier

SKU: GAO-OFI-111
This compact fiber optic identifier is an easy to use test device used to detect signals on optical fibers for a wavelength ranging from 800 nm~1700 nm using the safe and reliable macro-bending technology.
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