IP Alarm Communicator SIA IP Alarm Modem Gateway SIA IP Alarm Converter Contact ID to SIA IP Protocol converter; Contact ID to SIA IP Protocol Modem Gatewayï¼? Ademco Contact ID to SIA IP Converter SIA DC-05 to SIA IP DC-09 SIA IP Converter PSTN to GPRS 3G 4G SIA IP Converter Landline to GPRS 3G 4G SIA IP Converter Telephone Line to GPRS 3G 4G SIA IP Converter The K5 GSM Communicator is special for converting the PSTN Ademco Contact ID Control panel to SMS alert and SIA IP over GPRS network. The K5 GSM Communicator inbuilt 850/900/1800/1900Mhz GSM GPRS Module inside,CMDA2000 and WCDMA 3G Module is optional for worldwide users. For more information please feel free to contact us: E-mail:sales03@gsmalarmsystem.com Ali Trade Manager:cn220076270 Skype:gsmhousealarm QQ: 1270575154