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

Features General Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards Supports SMS, phone call, GPRS, DTMF, HTTP, FTP, MMS, email, etc

Support GPS, COMPASS, Glonass, LBS base station positioning, omni-positioning Bluetooth 3

0, supports data transferring through Bluetooth Onboard USB TO UART converter CP2102 for UART debugging 6x LEDs for indicating the module working status SIM card slot for 1

8V/3V SIM card RTC with backup battery holder Baudrate auto detection (1200bps ~115200bps) Control via AT commands (3GPP TS 27

007, 27

005, and SIMCOM enhanced AT Commands) Supports SIM application toolkit: GSM 11

14 Release 99 Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32) 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-1CS-2CS-3CS-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 RateFull RateEnhanced Full RateAdaptive 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 :