... ,gsm pstn alarm system,gsm security system GSM and PSTN alarm system,gsm pstn system,gsm pstn alarm system,gsm security systemSystem Features ... costs associated with the alarm panel.l 6 group voice alarm phone number for alert calling, 3 group phone number for help ... output, home appliances remote control can be realized. l Wireless intelligent study coding, compatible with PT2262 normal encoding and ...