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Walnut Innovations GPRS Modem sim 800A USB

4.5 out of 5 stars 2 customer reviews

M.R.P.:    2,999.00
Price:    1,979.00
Sale:    1,693.00 +    45.00 Delivery charge Details
You Save:    1,306.00 (44%)
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Only 2 left in stock.
Sold by Walnut Innovations Udaipur (4.2 out of 5 stars | 71 ratings) and Delivered by Amazon.
1 offer from    1,693.00
  • Accepts AT commands through On board USB serial port.
  • Provides serial TTL interface for easy and direct interface to micro controllers, Aurdino etc..
  • Speaker and Microphone sockets for voice Communication.
  • On board Power, Network, Ring status LED’s for indication.
  • Can do basic functions which can be done via normal phone like calling, send sms, access data through GPRS etc
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Product information

Technical Details
Brand Walnut Innovations
Part Number SIM900USB1.01
Number of Items4
Material PCB
Fixture Features • Uses the extremely popular SIM900A GSM module., • Plug and play device., • Works on 9V-18V 1 A SMPS supply.
Batteries IncludedNo
Batteries RequiredNo
Additional Information
Customer Reviews 4.5 out of 5 stars 2 customer reviews
Best Sellers Rank #1,53,897 in Home & Kitchen (See top 100)
Date First Available5 June 2014
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Important information

Warranty Details for this offer
6 Months Manufacturers warranty. Warranty Void if physically damaged or Wrong Connection

Description for Walnut Innovations GPRS Modem sim 800A USB

The GSM/GPRS Modem USB uses SIM900A based dual band 1800/1900MHz GSM / GPRS modem. It can be connected to USB directly or to a microcontroller UART using TTL levels. Through USB, the modem can be operated from a computer to send/receive calls, messages, etc.

SIM900A Modem is built with Dual Band GSM/GPRS based SIM900A modem from SIMCOM. It works on frequencies 1800/1900MHz. SIM900A can search these bands automatically. The frequency bands can also be set by AT Commands.

The baud rate is configurable from 1200-115200 through AT command. The GSM/GPRS Modem is having internal TCP/IP stack to enable you to connect with internet via GPRS.

SIM900A is an ultra-compact and reliable wireless module. This is a complete GSM/GPRS module in a SMT type and designed with a very powerful single-chip processor integrating AMR926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions.

The modem consists of all the external circuit required to start experimenting with the SIM900A module like the power regulation, external antenna, SIM Holder, etc.

Can accept commands from microcontroller UART.

Serial TTL interface for interface to microcontrollers.

On board SMA connector with GSM antenna.

Can accept commands through Hyper Terminal.

This Product Includes :


2 dbi Rubber duck antenna

USB Cable

USB Driver (FT232R)

Customer Questions & Answers

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Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (2) 3 out of 5 stars (878) 3 out of 5 stars (6) 3 out of 5 stars (99) 4 out of 5 stars (72) 4 out of 5 stars (593)
Price    1,693.00    1,375.00    1,297.00    999.00    583.00    1,499.00
Shipping    45.00 FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Walnut Innovations Udaipur Classic Network and Computers Cloudtail India FastDealsIndia FastDealsIndia SAUDAGAR
Colour White Black Black
Item Weight 90 grams 40 grams 59 grams 480 grams
Model Number USB1.01 21.0 MP-58 SIM800M 3.5G Wireless Modem DWA-123 iB-W4G311N

Customer reviews

4.5 out of 5 stars
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20 April 2015
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31 August 2015
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