... 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 Network,If TEL failure, it alarms through GSM network,If GSM failure, like ... between telephone and GSM network, keypad anti-rob function. Wireless TEL&GSM Dual Network Alarm System, With 8 Wired Zones and ...