Specification:
Power supply:
Battery type: Alkaline battery , 1.5V AA
Battery life : 2 years (15 operations per day)
3 years (7 operations per day)
standby current :4.3uA
active transmission: 65mA
Communication:
NB-IOT: band 1/3/5/8/20
TX power :23dBm +/-2dBm
RX sensitivity: -139dBm +/-1dB
Dimensions:
sensor : 74x34x20mm
magnet : 74x10x20mm