Toronto, Canada- GAO Tek Inc. (www.GAOTek.com) has rolled out its innovative handheld CCTV tester with a high resolution color LCD screen.This handheld CCTV meter tests data sent from a controlling device via RS485 and displays the hexadecimal data contents for users to analyze.It is an ideal device for installers and field technicians to conveniently and efficiently test video,PTZ function,and UTP cables status. The handheld CCTV tester, model 101, supports NTSC and PAL signal modes and… provides a channel video signal output which is used for monitor testing. It performs well over a wide temperature range of -30°C and 70°C.The low power consuming tester is powered via the attached power adapter or internal battery.It supports RS232, RS422 simplex, RS485 and multi-protocol including Pelco D,P,Samsung and Panasonic. Its operation is simply using OSD menus.The CCTV tester can also be used while being charged. Visit http://www.GAOTek.com for more information or to purchase this product online. For any sales inquires please contact: 1-877 585-9555 ext. 601-Toll Free (USA & Canada) 1-416 292-0038 ext. 601 – All Other Areas [email protected] About GAO Tek Inc. GAO Tek Inc. (www.GAOTek.com) is a global leader in research,development and manufacturing of high performance telecommunication testers,electronic measurement instruments, embedded development tools and other electronic products that serve the needs of electronic professionals internationally.