The Wireless Ceiling PIR Detector ED662 is  wireless GSM PIR Detector
High reliablity is achieved, greatly reducing the possibility of false alarms. 

Wireless Ceiling PIR Detector ED662 Capacity:
315MHz/433MHz/868MHz
Alkaline battery powered
Heiman sensor
Advanced DSP analyses technology
High detect capability and lowest false alarm 
Anti-tamper switch
Elegant and fashionable appearance
Patent protective
Microcontroller signal processing
Sensitivity adjustment
White light Immunity
Low voltage alarm
N.O. & N.C. relays switched optionally
Alarm LED on/off optional
High RFi/EMI immunity
Anti-tamper switch
Temperature compensation
High RFI/EMI immunity
360 degree/7 meter(23ft) diameter coverage when mounted at 3.2m(ft)