Founded in October 1992, Beijing Huahuan Electronics Co., Ltd., is a hi-tech company with majority holdings by Tsinghua University, one of China's most prestigious universities. Backed by research facilities and ...

We are specialized in designing and manufacturing communication testers, including E1/Datacom tester, ADSL2+ tester, Gigabit Ethernet Tester, PCM channel analyzer, optical tester and so on. We are glad to provide ...

E1 circuit emulation servers - reverse bridges, and IDM-field optical transmission equipment. The latest bundle emulation (IDM-TOP) is based on the Ethernet/IP/Mpls core network transmission links. These devices are ...

multiplexer sdh ,pdh ,pcm ,interface converter (E1- ethernet ,optic -ethernet),antenna , telecommunication cabinet ,video transmission ...

PCM/PDH/FWT/FWP/EPON/fiber/E1 access solutions. Our customers include China major operators, such as China Telecom, China Mobile, China Unicom and China Netcom, and overseas operators such as Pacifictel and Entel. ...

PCM/PDH/FWT/FWP/EPON/fiber/E1 access solutions. Our customers include China major operators, such as China Telecom, China Mobile, China Unicom and China Netcom, and overseas operators such as Pacifictel and ...

Founded in 1993 , headquarter in Tianhe District ,Guangzhou, China Focus on telecommunication access field ,providing data and voice access solution, includes GSM/CDMA/VOIP/Payphone/ HSDPA/DTU/PCM ...