GSM GPRS GPS Module 3 In 1 Module Shield

GSM GPRS GPS Module 3 In 1 Module Shield

A7 module is a GSM/GPRS/GPS function module. It supports GSM/GPRS Quad Band(850/900/1800/1900) network. Also, it supports voice calls, SMS messages, GPRS data service and GPS function.

 

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Description

DC 5-9V GSM GPRS GPS Module 3 In 1 Module Shield For Arduino STM32 51MCU

Product Introduction:

  • Size:6*4cm
  • Support Voice
  • Support Short Message
  • Suppor GPRS
  • Support GPS

 

Introduction

This is a A7 GSM GPRS GPS Module 3 In 1 Module Shield, which is use the newest A7 GSM GPRS GPS Module 3 In 1 Module Shield, A7 module is a GSM/GPRS/GPS function module. It supports GSM/GPRS Quad-Band(850/900/1800/1900) network. Also, it supports voice calls, SMS messages, GPRS data service and GPS function. We can use it make a simple phone.
The module is controlled by AT command via UART and supports 3.3V and 4.2V logical level.

Model: ACS33042S
A7 001.jpg

Features

  • Operating temperature -30 ℃ to + 80 ℃;
  • 1KG peak suction
  • Low standby current
  • Operating Voltage 3.3V-4.2V;
  • Power voltage> 3.4V;
  • Standby average current 3ma less;
  • Support the GSM / GPRS four bands, including 850,900,1800,1900MHZ;
  • Support China Mobile and China Unicom’s 2G GSM network worldwide;
  • GPRS Class 10;
  • Sensitivity <-105;
  • Support voice calls;
  • Support SMS text messaging;
  • Support GPRS data traffic, the maximum data rate, download 85.6Kbps, upload 42.8Kbps;
  • Supports standard GSM07.07,07.05 AT commands and extended commands Ai-Thinker;
  • Supports two serial ports, a serial port to download an AT command port;
  • AT command supports the standard AT and TCP / IP command interface;
  • Support digital audio and analog audio support for HR, FR, EFR, AMR speech coding;
  • Support ROHS, FCC, CE, CTA certification;
  • SMT 42PIN

Cautions

  • Make sure your SIM card is unlocked.
  • The product is provided as is without an insulating enclosure. Please observe ESD precautions specially in dry (low humidity) weather.
  • It just supports baud rate 115200bps.

A7 002.jpgEa7e.jpg

Power supply – Vin connected to external 5~9VDC power supply
Antenna interface – connected to external antenna
Serial port select – select either software serial port or hareware serial port to be connected to GSM/GPRS Shield
Hardware Serial – D0/D1 of Arduino/Crowduino
Software serial – D7/D8 of Arduino/Crowduino
UART of A7 – UART pins breakout of A7
Microphone – to answer the phone call
Speaker – to answer the phone call
GPIO,PWM and ADC of A^ – GPIO,PWM and ADC pins breakout of SIM808
Power key – power up for A7 OFF key – power down for A7

Pins usage on Arduino

D0 – Unused if you select hardware serial port to communicate with GPRS+GSM+GPS Shield
D1 – Unused if you select hardware serial port to communicate with GPRS+GSM+GPS Shield
D2 – Unused
D3 – Unused
D4 – Unused
D5 – Unused
D6 – Unused
D7 – Used if you select software serial port to communicate with GPRS+GSM+GPS Shield
D8 – Used if you select software serial port to communicate with GPRS+GSM+GPS Shield
D9 – Used for software control the power up or down of the SIM808
D10 – Unused
D11 – Unused
D12 – Unused
D13 – Unused
D14(A0) – Unused
D15(A1) – Unused
D16(A2) – Unused
D17(A3) – Unused
D18(A4) – Unused
D19(A5) – Unused

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