GSM-30U Universal GSM Dialer & Controller
.The GSM-30U is a universal GSM dialer and controller, compatible with all alarm panels. .The GSM-30U can be used for alarm notification to send SMS alarm message, or report to CMS with Contact ID format. .Relays and switches can be remotely controlled by mobile phone. .User can dial in to monitor the environmental sound around the GSM-30U.