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SIM800A GSM Modem


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  • Stock: 1

    Availability: InStock priceValidUntil: 2026-07-11

  • SKU: 1117 | DAB342

Availability: InStock priceValidUntil: 2026-07-11

  • Rs. 1,150.50 (inc GST)
    Rs.975.00 + GST

    Qty :

GST Invoice: Available for all purchases; eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

Bulk Orders: Need a larger quantity or item not in stock? Email: dnatechindia [at] gmail.com

Import Service: We import a wide range of electronic components on request.

SIM800A Quad Band GSM/GPRS Serial Modem

This GSM modem has a SIM800A chip and RS232 interface while enables easy connection with the computer or laptop using the USB to Serial connector or to the microcontroller using the RS232 to TTL converter.

Once you connect the SIM800 modem using the USB to RS232 connector, you need to find the correct COM port from the Device Manger of the USB to Serial Adapter. Then you can open Putty or any other terminal software and open an connection to that COM port at 9600 baud rate, which is the default baud rate of this modem.Once a serial connection is open through the computer or your microcontroller you can start sending the AT commands. When you send AT commands for example: "AT\r" you should receive back a reply from the SIM800 modem saying "OK" or other response depending on the command send.

SIM800 is a complete Quad-band GSM/GPRS solution in a LGA type which can be embedded in the customer applications. SIM800H support Quad-band 850/900/1800/1900MHz, it can transmit Voice, SMS and data information with low power consumption. With tiny size of 15.8*17.8*2.4 mm, it can fit into slim and compact demands of customer design. Featuring and Embedded AT, it allows total cost savings and fast time-to-market for customer applications.

We have Various sizes of GPS-GSM Module. Check out our complete collection of GPS-GSM Module.


If you are in Nashik you can buy this Electronic Component at our local shop at New CBS, Nashik or you can place order online and get it delivered at your doorstep anywhere in India.

Features of SIM800A

  • Bands : GSM 850MHz, EGSM 900MHz, DCS 1800MHz, PCS 1900MHz

  • GPRS class 2/10

  • Control via AT commands (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT commandset)

  • Supply voltage 3.4-4.4V

  • Coding schemes : CS-1, CS-2, CS-3, CS-4 Tx power: Class 4 (2W), Class 1 (1W)

  • Small package : 23 * 23 * 3mm

  • Low power : down to 1mA in sleep mode

  • TCP/IP AT firmware

  • Operating temperature : -40C to +85C

  • Audio channels which include a microphone input and a receiver output.

  • One SIM card interface.

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Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

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Frequently Asked Questions

Do you provide a GST bills?
Yes we provide GST Bill by the name of DNA Solutions. You will receive a GST compliant invoice for your records. You can take GST benefit.
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Returns/replacements depend on the item type and condition. If there’s an issue, contact us with photos/videos and we’ll guide you as per policy.
Do you offer same-day / next-day delivery in Nashik?
If feasible, yes. Send: item list + quantity + delivery PIN code, and we’ll confirm availability, courier option, and cost.
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We accept UPI, cards, netbanking, and other checkout options shown on the payment page.
What if a product is out of stock — can you arrange it?
Yes — contact us with the part number and required quantity. We’ll check availability or sourcing options.
Can you combine multiple orders into one shipment?
Often yes — if the first order hasn’t shipped. Send both order numbers and we’ll confirm.
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