Zhonglu Bestcom BST-120DP4 Multi-Service Optical Transceiver (CN version)

An integrated multi-service optical transceiver from Zhonglu Bestcom, model BST-120DP4-120A. It supports 4 E1 interfaces, 4 Ethernet network ports, and 4 telephone lines over a single fiber for distances up to 120km. (CN version)

category: antenna type: Non-original walkie-talkie accessories