GU600是一款内嵌高灵敏度 GPS 功能的 GSM/GPRS 模块,可同时支持双频段或者四频段制式,有更小的体积,可以进行板级,开发所需sdk-GU600 is a high-sensitivity GPS functionality embedded GSM/GPRS module, which can support dual-band or quad-band format, with a smaller footprint and can be board-level, develop