si4463 频率可调，实现跳频收发，数据最大可达到64字节的包，空中数据速率300kbps，并可以修改，跳频的基础频点可随意设置-si4463 adjustable frequency hopping transceiver to achieve maximum data up to 64-byte packets, air data rate of 300kbps, and can be modified, based frequency hopping can be arbitrarily