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SIM900A RS232 GSM Modem

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Stock: 1
Availability: InStock priceValidUntil: 2026-03-10
SKU: 2392 | DAB340

Rs. 990.33 (inc GST)
Rs.839.26 + GST

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

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

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

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

Description

SIM900A RS232 GSM Modem

This is a low cost SIM900A GSM Modem with RS232 output.

It works on 12Volt AC as well as DC Supply. It is a Quad Band GSM/GPRS engine and works on frequencies 850/ 900/ 1800/ 1900 MHz. The modem has RS232 output so you can directly connect to PC's com port or to any micro-controller via MAX232 IC.

You can communicate with this modem using AT Commands. It also has provision for TTL output so you also connect it directly to your micro-controller via serial port.

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 SIM900 GSM Modem

Quad-Band GSM/GPRS 850/ 900/ 1800/ 1900 MHz
RS232 interface for direct communication with computer or MCU kit
Configurable baud rate
SMA connector with GSM Antenna.
SIM Card holder.
Built in Network Status LED
Inbuilt Powerful TCP/IP protocol stack for internet data transfer over GPRS.
Normal operation temperature: -20 °C to +55 °C
Input Voltage: 5V-12V DC

SIM900 GSM Module Specification

Quad-Band 850/ 900/ 1800/ 1900 MHz
GPRS multi-slot class 10/8
GPRS mobile station class B
Class 4 (2 W @ 900 MHz)
Class 1 (1 W @ 1800MHz)
Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
Supply voltage range : 3.4V to 4.5V
Low power consumption: 1.0mA(sleep mode)
Operation temperature: -40°C to +85 °C

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.

What is your return / replacement policy?

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 ship all over India?

Yes — we dispatch orders across India.

I forgot to add GST number at time of placing order, but I need GST Invoice in my firms name?

You can contact us via Contact us page and send your order details and GST number we will send you updated Invoice soft copy.

What details should I send for a bulk quote?

Send these details for an accurate bulk quote: - Part number(s) - Quantity required - Preferred brand (if any) - Product image (if possible) - Delivery address + PIN code - GST invoice needed (Yes/No) + GSTIN (if Yes)

Are components original / new?

We aim to supply genuine, new parts. For sourced items, we confirm availability and provide the best matching grade/brand possible.

View all FAQs →

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SIM900A RS232 GSM Modem

Qty :

SIM900A RS232 GSM Modem

It works on 12Volt AC as well as DC Supply. It is a Quad Band GSM/GPRS engine and works on frequencies 850/ 900/ 1800/ 1900 MHz. The modem has RS232 output so you can directly connect to PC's com port or to any micro-controller via MAX232 IC.

You can communicate with this modem using AT Commands. It also has provision for TTL output so you also connect it directly to your micro-controller via serial port.

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 SIM900 GSM Modem

SIM900 GSM Module Specification

Write a review

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