... system,gsm pstn alarm system,gsm security system GSM and PSTN alarm system,gsm pstn system,gsm pstn alarm system,gsm security systemSystem Features l ... and call records from panel.l Allow up to 99 wireless defense zones and 4 wired zones.l Each can ... open signal outputs, relay linkage output, home appliances remote control can be realized. l Wireless intelligent study coding, compatible with PT2262 ...