efr32bg24,ble 5.4,silicon labs

efr32mg24,ble 5.4,silicon labs

efr32bg22,ble 5.4,silicon labs

efr32bg22,ble 5.4,silicon labs

efr32bg22,ble 5.4,silicon labs

efr32bg22,ble 5.4,silicon labs

efr32bg22,ble 5.4,silicon labs

efr32bg22,ble 5.4,silicon labs

efr32,zigbee

efr32,zigbee

换电,蓝牙,信驰达,低功耗,快递柜

蓝牙,bg22a1,低功耗,超长待机