... of the lead plane 1, The lead plane adopt two frequency,four frequency GSM / GPRS industry modules, stabilityreliably, the whole world all ... or sends out a short message.long-range remote control two roads output.controls room lamplight.air-conditioning switch etc.14 ... : FSK, to receive from 100-250 meters. 4, alarm mode: GSM network alarm, SMS alarm. 5, stored telephone numbers: 5 groups, telephone ...