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GAOtek is listed as a top manufacturer, leading vendor and key player in many market reports.  Click below to read those market reports. 

Featured Products

Ask An Expert!

Not sure what product best fits your needs?

Welcome to GAO Tek Inc., a Member of GAO Group

GAOTek Inc. is a leading US based supplier of test and measurement equipment for fiber optic, telecommunications, networks, PSTN, CATV, environment, chemical and bio-medical test and measurement instruments.

Celebrating over 4 Decades of Innovation

When choosing GAOTek as your technology provider you gain the benefit of our experience. As a part of GAO Group, we have over 30 years of experience and have served customers in more than 50 countries. We bring you peace of mind knowing our engineers right down to our sales staff are knowledgeable about our test equipment and can provide you with a reliable system, quality hardware and customized software, quicker than our competitors.

Ask an Expert

Our technical experts are here to help answer your every inquiry. From the simplest of questions to the hardest questions about our fiber optics products, test equipment and RFID products we are here to help, with no sales pressure or hard sell tactics—just real answers to real questions.
Whatever your project, talk to our team of experienced, certified professionals. Once we understand your business environment and requirements, we will deliver an optimal solution.

Our Fiber Optic Products – Test Meters & Test Instruments

GAO Tek supplies high quality OTDR (optical time-domain reflectometer), OTDR with Visual Fault Locator (VFL), fusion splicers, optical fiber identifier and rangers, optical telephone, power meter, variable optical attenuator, visual fault locators, light sources, fiber cables, media converters, hubs, switches, optical talk sets. Comprehensive offerings of transceivers compatible with international standards.

Feel free to browse our Fiber Optic Products and Test Instruments – click here.

Our PSTN Telecom Testers/Analyzers

GAO Tek offers a wide range of top quality telecom testing equipment such as Multi-function Handheld xDSL Tester, Portable xDSL Tester, Handheld E1 Bit Error Rate (BER) Tester, Pocket Size Handheld ADSL2+ Tester, Portable E1/Datacom Transmission Analyzer, Data Transmission Analyzer and E1/T1 BER Tester, Portable PCM Channel Analyzer, E1/Ethernet Tester, Multi-Function Network Cable Tester, Compact Telecom Line Tester, TDR Cable Fault Locator, Portable Cable & Antenna Analyzer, Handheld Gigabit Ethernet Tester.

Feel free to browse our Telecom Testers/Analyzers – click here.

Our CATV – Test Meters & Test Instruments

GAO Tek’s handheld CATV/ QAM analyzers are designed for both digital and analog TV analysis. They have digital signal analysis functions for channel power, MER, BER and constellation diagrams for 16/32/64/128/256QAM/QPSK modulation types. Analog channel analysis includes single-frequency level, carrier level of full channels spectrum, HUM, modulation depth, TILT and C/N.

Feel free to browse our CATV meters products – click here.

Our Electrical Product Test Meters & Instruments

GAOTek carries a full portfolio of electrical testers such as clamp meters, spectrum analyzers, digital oscilloscopes, LCR meters, digital multimeters, ohmmeters, logic analyzers, transmission line testers, industrial PCs and tablets, and process calibrators. Feel free to browse our electrical products and testers.

We are known throughout the industry for our large selection of RFID hardware such as tags, readers and antennas that cover a large range of frequencies including Active 2.45 GHz, Gen 2 UHF 865-868 MHz, 902-928 MHz, High Frequency 13.56 MHz, and Low Frequency 125 KHz/134 KH—all designed with the leading edge in mind to offer amazing benefits.

Tech Support

Our experienced technicians are here to support you however you need them. Whether you are a system integrator or the business owner, we are here for you!


We stand behind our hardware, software and systems. We will provide you with a warranty and support for all our products and software.


We have served customers in over 50 countries around the world. We can handle any need, with any system, any where!


A great system is only as good as it’s hardware. We carry a large range of hardware for different global and industrial needs.


Versatile and powerful software that can be customized to your specific needs and industry for any system you envision.


We have been providing electronic hardware, software and system products for over 4 decades. Let our experience find the perfect solution for your needs!