... TEL&GSM Dual Network Alarm System, With 8 Wired Zones and 32 Wireless Zones Wireless TEL ... &GSM Dual Network Alarm System, With 8 Wired Zones and 32 Wireless ZonesTELEPHONE+GSM Dual ... or signal shielded, it alarms through telephone line,8 wired/32 wireless zones,6 group alarm phone ... SSG protocol,Contact ID protocol,SA1 protocol(covers C&K, Bosch,Paradox, Honeywell,GE alarm protocol),arm / ...