Description

The 32u4 with A9G GPRS/ GSM/ GPS Board is based on the Mega32u4 and A9 GPRS/ GSM/ GPS module. It can be used to make a call, send text messages and get GPS positioning. Also, it has one analog interface, one IIC interface, and two digital interfaces, which you can connect to other expansion modules. It is very easy for you to make a GPS tracker by using this board, and it’s convenient to use AT firmware and use several AT commands that can be configured successfully.

hardware overview of 32u4 with A9G GPRS GSM GPS Board

diagram of 32u4 with A9G GPRS GSM GPS Board

Features

ATMEGA32U4 + A9G
Three kinds of interfaces
Equipped with 3.5mm headphone jack
Standby average current is low, only 3mA or less
Support the GSM/ GPRS/ GPS Quad-band, including 850, 900, 1800, 1900MHz
Support China Mobile and China Unicom’s 2G GSM network worldwide
GPRS Class 10
Support GPS positioning
Support voice calls
Support SMS text messaging
Support GPRS data service, the maximum download data rate is 85.6Kbs, upload data rate is 42.8Kbs
Support standard GSM07.07, 07.05 AT commands and Ai-Thinker extended commands
Support two serial ports, a serial port to download an AT command port
Support for Global Positioning System
Horizontal positioning accuracy of less than 2.5m
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
Compatible with GSM Phase 2/2 +: Class 4 (2W @ 850/900 MHz) Class 1 (1W @ 1800 / 1900MHz)
SIM Application Toolkit
PBCCH support
Support USSD

Specifications

Working voltage: 3.3-5v
Operating temperature: -30 ℃ to + 80 ℃
The size of A9G: 19.2 x 18.8 x 3mm
Quad-band: 850/ 900/ 1800/ 1900MHz
GPRS multi-slot: 12.1 to 12 can be configured
GPRS mobile station: Class B
Current consumption: 1.3mA @ DRX = 5; 1.2mA @ DRX = 9
AT command control: Standard GSM07.07, 07.05 AT commands and Ai-Thinker extended commands
GPRS Class 10: Up 85.6 kbps (upstream) & 42.8Kbps (downlink)
Dynamic Conditions Altitude <18,000 meters (60,000 feet)
Speed
Coding scheme: CS 1, 2, 3, 4
Support CSD: Up 14.4 kbps
Stack: PPP / TCP / UDP / HTTP / FTP / SMTP / MUX

Note

Make sure your SIM card is locked.
This product is supplied as is, without an insulated housing. In high humidity weather, pay special attention to ESD precautions.
It just supports baud rate: 115200 bps