Note: Do not include Raspberry Pi 4B and Jetson Nano, Please Buy alone.

   Overview

• The R800C GSM/GPRS HAT is a handy, low power Raspberry Pi HAT
• which features multi communication functionalities: GSM, GPRS, and Voice Call, with up to 85.6kbps GPRS data rate.
• It allows your Pi to easily send messages, phone, connect to wireless Internet, and so on.

   Features

• Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
• Supports SMS, Phone, GPRS、TCP/IP、DTMF、HTTP、FTP, etc.
• UART interface, for connecting host control boards like Arduino/STM32
• 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
• Baudrate: 2400bps ~ 115200bps (115200bps by default)
• 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/Arduino/STM32)

   Specifications

• GSM/GPRS

• Frequency band : 
• GSM：850/900/1800/1900MHz
• Quad-band auto search
• Compliant to GSM phase 2/2+
• Emitting power : 
• Class 4 (2W @ 900MHz)
• Class 1 (1W @ 1800MHz)
• GPRS connectivity : 
• GPRS multi-slot class 12/10 (default)
• GPRS multi-slot class 1~12 (configurable)
• GPRS data feature : 
• UL/DL data rate: ≤85.6kbps
• Supports Packet Broadcast Control Channel (PBCCH)
• Coding schemes: CS-1, CS-2, CS-3, CS-4
• Supports PAP (Password Authentication Protocol) for PPP connection
• Supports Unstructured Supplementary Service Data (USSD)
• SMS : 
• Supports: MT、MO、CB、Text、PDU
• SMS storage: SIM card
• Audio Features : 
• Voice codec mode: Half Rate、Full Rate、Enhanced Full Rate、Adaptive Muti Rate
• Support echo cancellation function
• Support noise suppression function

• Other
• Power supply : 5V
• Logic level : 5V / 3.3V (default 3.3V)
• Operating temperature : -40 ~ 85°C
• Storage temperature : -45 ~ 90°C
• Dimensions : 30.2 x 65mm

Compatible With Raspberry Pi Series Boards, Jetson Nano

for reference only, Raspberry Pi is NOT included.

Supports Sending SMS, Phone, Can talk through the earphone mic interface.

*R800C supports mobile card calling and texting, but does not support Unicom/Telecom card calling and texting

• 1: R800C Module
• 2 : RT9193-33 : Power chip
• 3 : MIC29302 : Power chip
• 4 : TXS0108EPWR : voltage level translator
•      The 3.3V/5V level can be converted to 1.8V
• 5 : Raspberry Pi GPIO connector
• 6 : Working level selection setting jumper
•      VCC - 3.3V : Operating level is 3.3V
•      VCC - 5V : Working level is 5V
• 7 : PWR Switch machine setting jumper
•      PWR-P4 : Raspberry Pi P4 pin control switch
• 8 : 3.5mm headphone/microphone connector
• 9 : R800C control interface
•      Convenient access to main control boards such as Arduino/STM32
• 10 : GSM antenna connector
• 11 : SIM card slot
• 12 : R800C switch button
•      press the button and hold for 1s, to startup/shutdown the R800C
• 13 : NET indicator :
•      flashes fast when the module starts up
•      flashes slowly after GSM register succeed
• 14 : Power indicator

   Video

1. R800C GSM/GPRS HAT x1
2. GSM Antenna x1
3. RPi screws pack x1