GSM SIM800C Modem with Antenna

(1 customer review)

In stock

SKU: 235870
  1. Supply Voltage (V): 3.4 ~ 12
  2. GSM (MHz): 850, 900, 1800 and 1900
  3. Flash Memory (MB): 24
  4. RAM Memory (MB): 32


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In stock

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Brand: Generic
Category: GPRS and GSM Modules
Tags: SIM800C, GSM Modem, GSM/GPRS shield for Arduino

GSM SIM800C Modem with Antenna Module’s baud rate is configurable from 9600-115200 through AT command. The GSM GPRS Modem is having internal TCP/IP stack to enable you to connect with the internet via GPRS. It is suitable for SMS, Voice as well as DATA transfer applications in the M2M interface.

The onboard Regulated Power supply allows you to connect a wide range of unregulated power supply. Using this modem, you can make audio calls, SMS, Read SMS, attend the incoming calls and internet, etc through simple AT commands.

The Modem is built with Quad-Band GSM/GPRS engine-SIM800C from SIMCOM, works on frequencies 850/ 900/ 1800/ 1900 MHz. The Modem is populated with DB9 Female connector so as to directly connect with computer or other RS232 Compatible devices. MAX3232 from MAXIM Semiconductor is used for the RS232 Level conversion.

The modem will work with 5-12V DC, which can be fed either through onboard 2 Pin RMC connector or DC Jack. The modem is powered by a High Current Low Dropout Linear Voltage regulator so as to withstand high surge current requirement (may rise up to 2A).

General features of SIM800C Module:
  1. Quad-band 850/900/1800/1900MHz.
  2.  GPRS multi-slot class 12/10.
  3. GPRS mobile station class B.
  4. Compliant to GSM phase 2/2+
    1. Class 4 (2 W @ 850/900MHz)
    2. Class 1 (1 W @ 1800/1900MHz)
  5.  Control via AT commands.
  6. (3GPP TS 27.007, 27.005 and SIMCom enhanced AT Commands).
  7. Low power consumption.
  1. Industrial automation.
  2. GPRS based data logging.
  3. GPRS and GPS application.
  4. Home automation.
  5. Health monitoring.
  6. Agriculture automation.
  7. Vehicle tracking.
  8. Remote monitoring and controlling.
  9. GPRS based Weather report logging.
  10. GSM GPRS based Security alert.
  11. GPRS based remote terminal for file transfer.
  12. IVRS.
  13. Bulk SMS sending etc.


  1. Quad-Band 850/900/1800/1900MHz.
  2. RS232 interface for direct communication with computer or MCU kit.
  3. Configurable baud rate.
  4. ESD Compliance.
  5. With slid in SIM a card tray.
  6. With a Stub antenna and SMA connector.
  7. High-quality PCB FR4 Grade with FPT Certified.

Package Includes:

1 x GSM SIM800C Modem.

1 x Detachable SMA-Male Antenna.

Flash Memory (MB)


RAM Memory (MB)


Operating Temperature (°C)

-40 ~ +85

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.05 kg
Shipping Dimensions 10 × 7 × 5 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 1 review

2.0 overall

Add a review

  1. Akshay kurhade (verified owner)

    A cheaply built module! The sim card tray was loose had hard time just trying to get network!

    Akshay kurhade

SIM800C hardware and Design

SIM800C STK Application Note

SIM800C ATC Command Manual

Questions and answers of the customers

  1. 0 votes
    Q what battery should i use can i use the 9v hw battery?
    Asked by srinag marni on October 16, 2020 12:02 pm
    There are no answers for this question yet. Answer now
Only registered users are eligible to enter questions
Country Of Origin: India

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