PSTN / GSM Alarm System - For project use with CID protocol

タイトルまたは説明

Double Network  PSTN / GSM Alarm System: The innovative ZUDEN ZDAS**6CA**6G adopts the latest GSM & PSTN dual-net secure technology, with GSM as backup) plus PSTN wired telephone network, GSM / telephone auto switch. This system has *6 wired Zones and*6 wireless zones, and it can be used with all kinds of ZUDEN wired or wireless detectors; The Integrated Dual-Net alarm systems from ZUDEN are designed to meet and exceed the needs and expectations of professionals. This model isWorking principle: GSM & PSTN Dual-Net Alarm System supports PSTN and GSM Double communication network. The user can plug the telephon line or not use telephone line. If have connected the PSTN It means if any landline(Telephone line) is been cut by intruder or faulty, the system will auto-switch to gsm dialer to sent out the alarm signal and SMS to the house owner, policy and alarm receiving center.