Elecrow ATMEGA 32u4 A9G GPRS GSM GPS Board Quad-band 3 Interfaces GPRS Class 10 DIY Kit GPS Module Wireless IOT Integrated

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The 32u4 with A9G GPRS/ GSM/ GPS Board is based on Mega32u4 and A9 GPRS/ GSM/ GPS module. It can be used to make a call, send text message 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 configures successful.


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

Size:  3.5x5cm
Working voltage: 3.3-5v
Operating temperature: -30 ℃ to + 80 ℃
Size of A9G: 19.2 x 18.8 x 8.3mm

    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)
Coding scheme: CS 1, 2, 3, 4
Support CSD: Up 14.4 kbps
Stack: PPP / TCP / UDP / HTTP / FTP / SMTP / MUX


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

Package list

32u4 with A9G GPRS/ GSM/ GPS Board X 1


Manual and techsupport:




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32u4 with A9G GPRS GSM GPS Board (1)32u4 with A9G GPRS GSM GPS Board (2)32u4 with A9G GPRS GSM GPS Board (3)32u4 with A9G GPRS GSM GPS Board (4)32u4 with A9G GPRS GSM GPS Board (5)32u4 with A9G GPRS GSM GPS Board (6)


Shipping & Payment


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of TechOiO (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of techoio.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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