... alarm system with 99 wireless zones + 4 wired zones Dual network GSM & PSTN alarm systemWireless GSM security alarm system ... , monitoring, remote announcement. 11. One Set of normally open signal outputs, relay linkage output, home appliances remote control can be ... sent via SMS. 15. Panel integrated with either dual-band, triple-band, quad-band GSM/GPRS industrial graded module, stable and reliable. ...