Leads out download interface and frequently-used IO port, standard 2.0mm pin connector, open frequency band; Working frequency band is 2.4GHz; 16-transmission channel; Switch to reliable communication channel according environment; Wireless transmission rate up to 250Kbps; Power consumption: receiving current<20mA, emission current<25mA; Using PCB antenna, extend receive distance; Works with SmartRF Packet Sniffer can achieve zigbee data capture; Official design, compatible with all official application; Super narrow border design