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Handheld CCTV Tester Supports Multi-Protocols

Toronto, Canada- GAO Tek Inc. ( has rolled out its innovative handheld CCTV tester with a high resolution color LCD screen.This handheld CCTV meter tests data sent from a controlling device via RS485 and displays the hexadecimal data contents for users to analyze.It is an ideal device for installers and field technicians to conveniently and efficiently test video,PTZ function,and UTP cables status. The handheld CCTV tester, model 101, supports NTSC and PAL signal modes and… [Read More...]

Compact and Easy-to-Operate PCM Channel Analyzer

GAO Tek Inc. ( has released itscompact PCM channel analyzer featuring flexible control modes and convenient Windows’ style GUI. This portable PCM channel analyzer incorporatesan analog signal generator/receiver, a selective level meter, a BER tester, a signaling generator/receiver, a ring generator/identifier, a dialer, a DC loop circuit (ICT, OGT), a balanced bridge and a Reflecting Bridge into a single instrument. [Read More...]

Portable and Multifunctional ADSL2+ Tester

This tester supports communication with PCs via an RS232 interface, so that test results can be saved, analyzed and printed conveniently. This handheld ADSL2+ tester is commonly used as a digital multi-meter (DMM) to test subscriber telephone connectivity and line parameters. [Read More...]

Advanced Mini-OTDR Packed with Innovative Functions

This well-designed optical instrument is intended for engineers and technicians to measure unit, connection or transmission loss and locate faults or breaks in fiber optics. The Mini-OTDR is widely deployed in the manufacturing, construction and maintenance of fiber optics networks. [Read More...]

Portable, Multi-Functional Communication Cable-Fault Tester

GAO Tek Inc.( offers its portable and multi-functional automatic communication cable-fault tester integrating the functions of ATDR, ohmmeter, megohmmeter and automatic bridge. It is specially designed for locating faults such as core wire breakage, misconnection, water absorption and poor installation. [Read More...]
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