需要准备的硬件 MC20开发板 1个 https://item.taobao.com/item.htm?id=562661881042 GSM/GPRS天线 1根 https://item.taobao.com/item.htm?id=531979567261 IPEX接口转SMA接口转接线 1根 https://item.taobao.com/item.htm?id=531979903836 GPS有源天线 1根 https://item.taobao.com/item.htm?id=2624…