Leading North America Supplier - 20 Years of Innovation - Shipping Globally


Proudly Supplying Customers for Over Two Decades in North America and Across the Globe with Quality Engineering Products

Trusted & Leading Global Supplier of Test and Measurement Equipment


Fiber Optic Instruments

Our Fiber Optics Instruments are offered in six categories: OTDR (optical time-domain reflectometer) and locators, splicers, meters, sources and attenuators, switches and converters, and others. [read more="More..." less="Less..."] Technicians and field professionals can find an extensive collection of fiber optic tools, fiber optic testers, and fiber optic cable testers. Our fiber optic tools have extensive uses in the telecommunications and IT industries and are design to meet the needs of any job related to fiber installation, maintenance and troubleshooting. The fiber optic testers and fiber optic cable testers we offer are designed to inspect, clean, verify, certify, and troubleshoot fiber optic networks.[/read]


Our transceivers include SFP+, SFP, GBIC, XFP, and others.


PSTN Testers

Our high quality and affordable PSTN devicess include xDSL Testers, E1 Testers, Line Testers, and Analyzers are mainly used in the production, troubleshooting, and maintenance of xDSL networks and telecom networks. [read more="More..." less="Less..."] Our select portfolio includes telecom tools, telecommunications tools, telephone test equipment, and telecommunications test equipment that are easy-to-use and well constructed to offer a smart navigation and high-resolution screen that displays results clearly.[/read]


Cable Instruments & Equipment

We offer a wide selection of high quality, affordable cable instruments and equipment in three categories: CATV Meters & Instruments, CCTV & Video Equipment, and Ethernet Equipment. [read more="More..." less="Less..."] CATV Meters & Instruments category provides products such as cable fault locators, QAM and PCM analyzers and signal level meters. CCTV & Video Equipment include color video quadprocessors and multifunctional CCTV testers. The Ethernet and Others category, carries products such as Ethernet testers and time analyzers. The products under these categories have a wide variety of applications that include telecommunications, electric utilities, test/service companies, petrochemical facilities, mining industry, digital industry, and Internet service. Our cable instruments and equipment products are also used for surveillance in areas that may need monitoring and crime prevention such as banks, casinos, airports, industrial plant area, military institutions, convenience stores, and home security.[/read]

Electrical Testers

We offer a full portfolio of handheld electrical analyzers including spectrum analyzers, digital oscilloscopes, digital multimeters, logic analyzers, and generators. [read more="More..." less="Less..."] Our products enable technicians and field professionals the best performance for a variety of electrical testing applications. Our spectrum analyzers are used in the installation, test, and maintenance of radio frequency circuitry and equipment. Digital oscilloscopes store and analyze the signal digitally rather than using analog techniques and logic analyzers are used to debug and evaluate the errors. Our electrical testers are widely used in many industries such as telecommunications, consumer electronics, healthcare, life science/medical research, security, sensing, microscopy, and gas/chemical analysis, environmental monitoring, engineering, and automotive.[/read]

Environmental Testing Instruments

Our environmental instruments includes a selection of high-performance conductivity meters, durable gas detection instruments, advanced handheld ultrasonic meters... [read more="More..." less="Less..."]high-quality ion meters, multi-parameter water quality meters, long lasting multifunction gas detection instruments, and flexible portable gas detection instruments. The environmental testing devices are used for measuring and monitoring environmental conditions and have a wide variety of applications in many different industries. Some of the business segments where our products have applications include hydroponics, aquaculture and freshwater systems, safety systems to use to detect gas leaks, within other industries.


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

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

Celebrating over 20 Years 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 20 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.

Contact an expert today!

[read more="More Info..." less="Less..."]

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.

Feel free to browse our RFID products – click here.

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