Toronto, Canada ¨C GAO Tek Inc. (www.GAOTek.com) has released a professional telephone line tester which is used for line installation, inspection and maintenance and is specially designed for E1 PCM line testing. The portable telephone line tester offers a high resolution LCD screen to display line voltage and insulation test results. It is suitable for ADSL technicians and engineers in tier-1 ADSL applications. GAO Tek Inc.¡¯s telephone line tester, model 220, uses a smart CPU, a special-purpose IC and SMT. The easy-to use telephone line tester has call display and last number redial functions, performs multi-line tests and wire pair checking, checks line insulation and test breaks and faults. Additionally, it features both low and high voltage warnings, auto power off, and FSK/DTMF compatibility. Visit http://www.GAOTek.com for more information or to purchase this product online. For any sales inquires please contact: 1-877 585-9555 ¨C Toll Free (USA & Canada) 1-416 292-0038 ¨C All Other Areas sales@gaotek.com About GAO Tek Inc. GAO Tek Inc. is a leading provider of test and measurement equipment, telecommunication testers, electronic measurement instruments, embedded development tools and other electronic products that serve the needs of electronic professionals internationally.