4G pHAT for Raspberry Pi - LTE Cat-4/3G/2G with GNSS Positioning _MAKE_SENSOR_FORCE RA8875 App note

RA8875 App note

you can pick up 2-pin JST set to turn it into a quick connection

we'd suggest also using an Active Cooler

GPIO 40 Pin Connector Shematic

we wired the module to a MiniLipo charger and a LiPo battery

4G pHAT for Raspberry Pi - LTE Cat-4/3G/2G with GNSS Positioning _MAKE_SENSOR_FORCE RA8875 App noteFinally a 4G network compatible pHAT for the Raspberry Pi! This pHAT accepts a 1. 8V 3V sim card and supports a wide range of LTE Cat 4 network bands alongside 3G and 2G support, including phone calls via AT commands and SMS functionality! Speeds of up to 50Mbps Uplink* and 150Mbps Downlink* are possible on a 4G network. The pHAT supports GNSS positioning via the GPS, Beidou, GLONASS and LBS Base satellite systems and includes an onboard audio jack