... Wired Zones and 32 Wireless Zones Wireless TEL&GSM Dual Network Alarm System, With 8 Wired Zones and 32 Wireless ZonesTELEPHONE+GSM Dual ... failure or signal shielded, it alarms through telephone line,8 wired/32 wireless zones,6 group alarm phone numbers.when alarms ... alarm,auto switch between telephone and GSM network, keypad anti-rob function. Wireless TEL&GSM Dual Network Alarm System, With 8 Wired ...