Lugar del origen
Guangdong, China
Red
LAN inalámbrica, Wired LAN, TCP, ip, POE, 4G, GSM, 3G
Product Type
Voip Board Sip Phone Pcb Audio Ip Sip Module
Protocol
SIP/2.0 RFC3261/GSM
Power supply
POE/ DC12V/Solar
Application
Metros,Railways, Express way, Mines, Oil rigs, Tunnels, Marine