sms Alarm:Technical parameters:
1, the host box (L * W * H): 120 x 65 x 35mm.
2, the use of environmental conditions: indoor, ambient temperature -10 ~ 50 , relative humidity ≤ 90%, atmospheric pressure 86 ~ 106Kpa.
3, the police receive mode: FSK, to receive from 100-250 meters.
4, alarm mode: GSM network alarm, SMS alarm.
5, stored telephone numbers: 5 groups, telephone number bit longer: 32.
6, operating frequency: 315MHz/433MHz.