GAO 5855 E1 Service Tester is a powerful handheld instrument, which provides a

scalable, future-proof solution for the testing needs of technicians involved in the

installation and maintenance of E1 digital networks. It offers all of the error and

alarm measurements that you need to verify quality-of-service in your networks. In

addition, signal quality measurements including frequency, level and other functions

to ensure quick and efficient and reduced costs.

About GAO Tek Inc.
GAO Tek Inc. is a leading provider of test and measurement equipment, embedded

development tools, telecommunication testers, electronic measurement instruments,

video surveillance, alarm and other electronic products that serve the needs of

electronic professionals internationally.