GAOTek provides a large collection of superior quality and feature-rich public switched telephone network devices for sale to the United States, Canada and Globally. Public telephone networks (PSTN) were denoted as plain old telephone systems (POTS). They are a collection of individual telephones that are hardwired to a public exchange. GAOTek’s PSTN products consist of xDSL testers, phone line testers, E1 testers, and PSTN analyzers and they are international telephone systems that can supply analog voice data with the help of copper wire.

Functions of PSTN
Features
Applications and Industries

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ID: GT00ZZ00ZX

Handheld device that provides full testing and analysis of ADSL; ADSL2; ADSL2+; READSL quickly and accurately
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ID: GT00ZZ00ZW

Handheld device that provides full testing and analysis of xDSL testing, including ADSL, ADSL2, ADSL2+, READSL and VDSL as well with high accuracy and speed 
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ID: GAO-XDSLT-101

Handheld device used to test all networks effectively while maintaining a large date store and an advanced battery
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ID: A0070012tek

This compact Telecom Line Tester comes with basic line tester functions, auto ringing and checking line pair also comes with high voltage protection and high voltage alarm indicator
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ID: A0080003tek

This compact Telephone Line Tester adopts CPU, IC and SMT technology and is used for line maintenance and construction with insulation test distance upto 1.24 mi (2 km)
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ID: A0060004tek

This Multi-function Network Cable Tester is designed to determine cable length and test for open circuits, shortcircuits, and more. It can be used in telephone systems, computer networks, and other metal lead circuits
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ID: A0020005-tek

This SDH/TDH Transmission Analyzer performs on-line and off-line test of STM-1, STM-4, STM-16 which can be widely used by operators in private networks and SDH/PDH systems opening
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ID: A0010007tek

This multi-functional handheld ADSL2+ tester is specially designed for ADSL, ADSL2, ADSL2+, READSL and VDSL2 testing and can be used for installation and maintenance
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ID: A0010004tek

This light weight handheld xDSL tester is designed to test and analyze ADSL, ADSL2, ADSL2+, VDSL2 networks and user friendly Graphical User Interface Testing