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GSM/GPRS/GPS Shield (B) Arduino Shield Based on SIM808

Brand: Waveshare 0Answered Questions Item Code:374904
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GSM/GPRS/GPS Shield (B) is an Arduino shield based on the Quad-band GSM/GPRS/GPS module SIM808.

Arduino connectivity, compatible with UNO, Leonardo, NUCLEO, XNUCLEO

Onboard USB TO UART converter CP2102 for UART debugging

5 x LEDs for indicating the module working status

Onboard voltage level converter, supports both 3.3V and 5V systems

SIM card slot for 1.8V/3V SIM card

Baudrate auto detection (1200bps ~115200bps)

Bluetooth 3.0, supports data transferring through Bluetooth

RTC with power supply interface

Firmware upgradable via USB

Control via AT commands (3GPP TS 27.007,27.005, and SIMCOM enhanced AT Commands)

Supports SIM application toolkit: GSM 11.14 Release 99

Operating voltage: 6 ~ 12V

Operation temperature: -40 °C ~ +85 °C

Storage temperature: -45 °C ~ +90 °C




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

Embedded TCP/IP protocol

Supports PBCCH

Supports CSD transmission speed: 2.4/4.8/9.6/14.4 kbps

Supports USSD


Supports: MT/MO/CB/Text/PDU mode

SMS storage: SIM card


Voice encode/decode mode: Half Rate\Full Rate\Enhanced Full Rate\Adaptive muti rate

Supports echo cancellation

Supports noise reduction


Receiver type

22 tracking channels

66 acquisition channels

GPS L1 C/A code


Tracking: -165 dBm

Cold starts : -148 dBm


Cold starts : 30s (typ.)

Hot starts : < 1s

Warm starts: 28s


Horizontal position : <2.5m CEP

What's on Board

SIM808 module

MIC29302 power chip

CP2102: USB TO UART converter

SMF05C: TVS diode

1N5408: onboard rectifier

SIM808 functional pins

Arduino expansion connector

USB TO UART interface

DC power jack

GPS antenna connector

Bluetooth antenna connector

Firmware upgrade interface

GSM antenna connector

SIM card slot

3.5mm earphone/mic jack

GPS status indicator

CP2102 UART Tx/Rx indicator

NET indicator:

flashes fast when the module starts up

flashes slowly after GSM register succeed

Power indicator

Power switch

SIM808 control button: press the button and hold for 1s, to startup/shutdown the SIM808

Reset button

UART selection switch, select controlling the SIM808 via:


UART pins of Arduino interface

SIM808 UART configuration:



IOREF power selection: configure the UART voltage level

Package Contents

GSM/GPRS/GPS Shield (B) x 1
GSM Antenna × 1
GPS External Antenna (B) × 1
Bluetooth Antenna × 1
9V power adapter × 1
USB type A plug to micro plug cable x 1


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        GSM/GPRS/GPS Shield (B) Arduino Shield Based on SIM808

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