Waveshare SIM800C GSM/GPRSHAT, 2G Communication Data Transmission, Compatible with Raspberry Pi 4B/3B+/3A+/3B/2B/1B+/1A+/Zero 2 W/Zero W/Zero/Jetson Nano

• The SIM800C GSM/GPRS HAT is a handy, low power Raspberry Pi HAT which features multi communication functionalities: GSM, GPRS, with up to 85.6kbps GPRS data rate. It allows your Pi to easily send messages, connect to wireless Internet, transfer data, and so on.
• Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano. Supports SMS, GPRS, DTMF, HTTP, FTP, MMS, email, etc.
• supports data transferring. UART interface, for connecting host control boards. Onboard voltage level translator, 3.3V by default, switch to 5V via jumper.
• 2x LEDs for indicating the module operating status. SIM card slot for 1.8V/3V SIM card. Autobauding baudrate: 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/Jetson Nano/STM32).

GSM/GPRS Band GSM 850/EGSM 900/DCS 1800/PCS 1900 MHz Quad-band auto search Compliant to GSM phase 2/2+ Inputting 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/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 U SMS Supports: MT/MO/CB/Text/PDU mode SMS storage: SIM card Integrates AT commands 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 User Manual waveshare.com/wiki/SIM800C_GSM/GPRS_HAT?amazon Support If you require technical support, please go to the Support page in the wiki and open a tickets.