SKU: 26756074723

SIM900 SIM 900 GPRS/GSM Shield Development BoardQuad-Band Module

Sale price$24.30 Regular price$27.00
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Description

SIM900 SIM 900 GPRS/GSM Shield Development BoardQuad-Band ModuleSIM900 GSM GPRS shield is based on a chip of SIM900 from SIMCOM and is compatible with Arduino and its clones. It is used to make and receive phone calls, send and receive SMS and connect to the internet using the GPRS network via UART using AT commands. It supports quad band and can communicate through GSM 850 MHz, GSM 900 MHz, DCS 1800 MHz or PCS 1900 MHz networks. It has a power jack along with a toggle switch to use an external power supply.

SIM900 GSM GPRS shield is based on a chip of SIM900 from SIMCOM and is compatible with Arduino and its clones. It is used to make and receive phone calls, send and receive SMS and connect to the internet using the GPRS network via UART using AT commands. It supports quad-band and can communicate through GSM 850 MHz, GSM 900 MHz, DCS 1800 MHz or PCS 1900 MHz networks. It has a power jack along with a toggle switch to use an external power supply.

SIM900 shield can be powered by a 5V power supply that can provide 2A current, or 9V 1A or, 12V 1A supply. It is equipped with a microphone and speakers jack for phone calls. At the backside of the shield, there is a sim card jack and a holder for a 3V CR1220 battery for the RTC (real-time clock). After insertion of sim and battery, the shield can be mounted on top of the Arduino board.

Features:

  • Compatible with Arduino and its clones
  • Quad Band 850 / 900/ 1800 / 1900 MHz GSM network
  • Can send and receive SMS, MMS, GPRS and audio using GSM network.
  • Supports UART interface
  • AT commands
  • Embedded TCP/UDP stack facility for uploading data to a web server
  • RTC support
  • Speaker and Headphone jacks
  • Equipped with 12 GPIOs, 2 PWMs, and an ADC

Specifications:

  • Supply voltage: 3.4V-4.5V
  • Low power consumption: 1.5mA(sleep mode)
  • Industrial temperature range: -40⁰C  to +85⁰C
  • Class 4 (2 W @ 850 / 900 MHz) , Class 1 (1 W @ 1800 / 1900MHz)
  • Dimensions: 8.5 X 5.7 X2cm(approx)
Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 26756074723

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Leena E.
West Palm Beach, US
★★★★★ 5
Un mess your kitchen sink mess
Color: Black - 9.25″
Just the exact right thing to gather all the sink doodads into one place. There is a little divider that is movable so you can adjust the sponge holder to your brand of sponge. AND it has a drain spout for the water run off. Very sturdy and handy sink catch all.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
M
Verified Purchase
Melissa11
Bozeman, US
★★★★★ 5
Great for organizing sink
Color: White - 9.25″
We had one of those suction cup sponge holders, but if you have tile that is not completely smooth, it falls down. This does not have that issue because it just sits on the counter or if you have a large sink lip, on there. You can move the inside pieces around which I was really surprised about because I thought it was all in one piece. Being able to move them around is great because then you can adjust it for your own soap dispensers, etc to fit your space. I like that it comes in a ton of colors. We got the white and it blends into our kitchen and looks really nice. This organizes our dish soap, sink drain cover, and sponges nicely and gives it all a space to go in. The tray on the bottom is silicon and removable which is great. I wish I had bought this thing years ago because it's great.
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Reviewed in the United States on April 9, 2026
S
Verified Purchase
Sabina Boo-Rivera
Birmingham, US
★★★★★ 5
Great deal. Great product. Simple and efficient.
Color: Black - 9.25″
It is very simple to put together and it feels sturdy and I like how it looks. I know everyone's sink is different but it fits mine PERFECT. I'm really happy with this purchase. Good price good value. I don't see why you wouldn't buy it if this is the style you were looking for.
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Reviewed in the United States on April 29, 2026
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Greg Love
Lexington, US
★★★★★ 5
Attractive and functional
Size: 01
We need a little help in organizing our kitchen. We got this little gym. We put hand soap, dish soap, and a scrub brush in here. All in one place. Neat and tidy. And attractive to boot. I highly recommend it.
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Reviewed in the United States on December 28, 2025
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Verified Purchase
MERCIE N
Whiting, US
★★★★★ 5
DISH SOAP HOLDER
Size: 01
Very well made product & durable & highly recommended that provides all features. Dish soap & space for wet sponge to drip into sink & compartments to store cleaning brushes etc Money worth the buy & can’t go wrong.
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Reviewed in the United States on March 29, 2026

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