Latest News


Compact Multi-Purpose Data Communication Tester

Toronto, Canada – GAO Tek Inc. ( has launched its  compact, multi -purpose data communication tester designed for the installation, maintenance and trouble-shooting of digital networks. This tester is used to carry out both framed and unframed tests on various equipment such as primary multiplexers, digital cross connects, automatic protection switches and circuits operating at a speed between 50bit/s and 2048kbit/s. Its lightweight and compact design makes it ideal for field use.
[Read More...]
seks shop - izolasyon
basic theory test book basic theory test