GSM GPRS GNSS Bluetooth HAT for RPi SIM868 Onboard CP2102 1.8V/3V GSM/GPRS/GNSS/Bluetooth HAT for Raspberry Pi, Based on SIM868. This is a handy, low power Raspberry Pi HAT which features multi communication functionalities: GSM, GPRS, GNSS and Bluetooth. byJuly 5, 2026