M5Stack U137 开发套件 全球版CAT-M和NB-IoT双模无线通信模块

Frequency: 820 MHz to 700 MHz

Dimensions: 62 mm x 40 mm x 18.4 mm

For Use With: CatM+GNSS, 4G Antenna, GPS Antenna

Protocol - GPS, GLONASS: GPS, GLONASS, BeiDou, Galileo

Tool Is For Evaluation Of: SIM7080G

Protocol - Cellular, NBIoT, LTE: NBIoT