GSM-GPRS-GNSS Bluetooth HAT Expansion Board for Raspberry Pi 4B-3B-3B-2B-Zero-Zero W-Zero WH Based on SIM868 Support Global Position Transfer Data via Bluetooth 3-0 Make a Call Send Messages etc-

Overview This is a handy, low power Raspberry Pi HAT which features multi communication functionalities: GSM, GPRS, GNSS and Bluetooth. It allows your Pi to easily make a telephone call, send messages, connect to wireless Internet, global position, transfer data via Bluetooth, and so on. GSM/GPRS Band GSM 850/EGSM 900/DCS 1800/PCS 1900 MHz Quad-band auto search Compliant to GSM phase 2/2+ Emitting power Class 4 (2W @ GSM 850/EGSM 900 MHz) Class 1 (1W @ DCS 1800/PCS 1900 MHz) GPRS connectivity GPRS multi-slot class 12 (default) GPRS multi-slot class 1~12 (configurable) GPRS data feature Downlink speed: max 85.6kbps Uplink speed: max 85.6kbps Coding schemes: CS-1\CS-2\CS-3\CS-4 Supports PAP (Password Authentication Protocol) for PPP connection Supports PBCCH Supports USSD SMS Supports: MT/MO/CB/Text/PDU mode SMS storage: SIM card Audio Voice encode/decode mode: Half Rate\Full Rate\Enhanced Full Rate\Adaptive muti rate Supports echo cancellation Supports noise reduction GNSS Receiver type 33 tracking channels 99 acquisition channels GPS L1 C/A code Sensitivity Tracking: -165 dBm Cold starts : -148 dBm Time-To-First-Fix Cold starts : 28s (typ.) Hot starts : < 1s Warm starts: 26s Accuracy Horizontal position : <2.5m CEP Bluetooth Integrates AT commands Compliant to Bluetooth specification3.0 + EDR Supports SPP, OPP, HFP/HSP, etc. Misc Operating voltage: 5V Operating temperature: -40°C ~ 85°C Storage temperature: -45°C ~ 90°C Dimensions: 30.2mm x 65mm Development Resources https://www.waveshare.com/wiki/GSM/GPRS/GNSS_HAT