High-Performance Optical Test Instruments & Equipment

Industrial-grade OTDRs, Cable Identifiers, and OEM Modules for telecom engineering and maintenance.

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What is your testing challenge?

SW100 Handheld OTDR with 4.3 inch touchscreen for FTTx testing

Certify Fiber Links

OTDRs for installation, commissioning, and troubleshooting.

G-Link TRK200 Enhanced Optical Cable Identifier and OTDR 2-in-1 unit

Find Cables & Faults

Non-destructive identification and physical fault location.

TG60 Intelligent Line Analyzer cable route mapper 60km

Map Cable Routes

IoT-enabled intelligent line analysis with GIS mapping.

G-Link Embedded OTDR Module with Ethernet interface for fiber monitoring systems

Build Monitoring Systems

Embedded OEM modules for system integration.

High-Performance OTDR Series

Rugged, precise, and easy-to-use instruments for every stage of the network lifecycle.

G-Link TR700 OTDR with 7-inch multi-touch screen and IP65 protection

TR700 Series

New Flagship

  • Max. 45 dB
  • Event DZ: ≤ 0.5m
  • 7" Multi-touch & iOTA
G-Link TRP800 PON OTDR for FTTx live testing, capable of penetrating 1x128 splitters with 45dB dynamic range.

TRP800 Series

PON Specialist

  • Max. 45 dB
  • Test thru 1:128 Splitter
  • Live PON Testing (1625nm)
G-Link TR600 OTDR with 5.6-inch touchscreen for Metro and FTTx fiber testing

TR600

Classic Pro

  • Max. 42 dB
  • Event DZ: ≤ 2.5m
  • Robust Touch + Keypad
SW100 Handheld OTDR with 4.3 inch touchscreen for FTTx testing

SW100 Series (Multifunctional OTDR)

Portable Hero

  • 28/26 dB
  • 7-in-1 Integrated Tools
  • Palm Size (Entry Level)

Cable Identification & Route Tracing

Advanced solutions for identifying target cables and pinpointing faults in complex underground pipelines.

G-Link TRK200 Enhanced Optical Cable Identifier and OTDR 2-in-1 unit

TRK200 Series

2-in-1 Hybrid

  • OTDR + Route Tracer
  • Auto Analysis
  • Cost-Effective Combo
TG60 Intelligent Line Analyzer cable route mapper 60km

TG60 Series

IoT Smart Tracer

  • Max. 60km Tracing
  • Cloud/App Control
  • One-Key GIS Mapping
G-Link TF500D Optical Cable Fault Tracer with 5.6 inch touchscreen

TF500D Series

Fault Pinpointer

  • ±10m Accuracy
  • Non-destructive Test
  • Physical Point Location
G-Link TK200 Optical Cable Identifier with touchscreen and knocking tool for fiber identification

TK200 Series

Long-Range Expert

  • Max. 100km Range
  • Remote Audio Alert
  • Deep Cable Detection

Embedded OTDR Modules for Developers

The industry's smallest footprint OTDR module with a standard Ethernet interface. Perfect for integrating into RFTS (Remote Fiber Test Systems) and optical transmission equipment. Supports full secondary development with comprehensive SDK.
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Quick Selection Guide: Compare Specifications

Confused by the options? Use this side-by-side comparison to find the perfect instrument for your network needs. Whether you need high-precision certification (OTDR) or rapid physical cable location (Tracing), G-Link has a specialized solution for you.

ModelTypeRange / PerformanceScreen / InterfaceKey Feature / USPAction
TR700Flagship OTDR45/43 dB7" Multi-touchIP65, iOTA Smart AnalysisView
TRP800PON OTDR45/43 dB5.6" TouchLive PON Test (1:128)View
TR600Classic OTDR42/40 dB5.6" Touch + KeyRugged Hybrid OperationView
SW100Mini OTDR32/30 dB4.3" Touch7-in-1, Palm SizeView
TRK200Hybrid (OTDR+Trace)26/24 dB3.5" Color LCDOptical Route TracingView
TG60Intelligent Tracer>38 dB (Dynamic)Phone App ControlCloud GIS MappingView
TF500DFault Tracer80km / 35 dB5.6" Touch±10m Physical LocationView
TK200Cable Identifier100km DistanceLED & AudioRemote Audio AlertView

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Why Choose G-Link Technology?

Decades of optical expertise backed by CETC-34 heritage. We deliver precision, reliability, and global support.

50+ Years Expertise

Deep technological heritage derived from the CETC 34th Institute.

Certified Quality

Strict quality control with ISO9001, CE, FCC, and RoHS certifications.

Lifetime Support

Comprehensive after-sales service including calibration and 12-month warranty.

Global Shipping

Fast and reliable logistics network delivering to 50+ countries worldwide.

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