Waterproof intercom SIP/VoIP telephone Tunnel Emergency Phone The aluminum alloy die-casting shell of JR104-2B-SIP can withstand a great deal of vandalism. The imported seal ring is placed inside to extend service life and the ingress protection rating is ...
Waterproof intercom SIP/VoIP telephone Tunnel Emergency Phone The aluminum alloy die-casting shell of JR104-2B-SIP can withstand a great deal of vandalism. The imported seal ring is placed inside to extend service life and the ingress protection rating is ... more
