... PSTN dual network 3.30 wireless zones + 8 wired zones KT-G8A Dual-network wired&wireless alarm systemFeature:1. Touch keypad; ... , GSM SMS6. Alarm SMS include alarm zone and sensors name7. Work with Contact ID protocol(alarm information, status information ... G8A Dual-network wired&wireless alarm system ,pstn and gsm alarm system KT-G8A Dual-network wired&wireless alarm system ,pstn and gsm alarm system