SIM800C Development Board GSM GPRS Module


17 in stock

$ 12.50

17 in stock

Share this product


Product Parameters:

SIM800C is a quad-band GSM / GPRS module, its performance very stable, with small appearance and high cost-performance, to meet the various needs of customers. The operating frequency of SIM800C is GSM / GPRS 850/900/1800 / 1900MHz, can be used worldwide, you can achieve low power consumption of voice, SMS and data transmission, can be applied to a variety of design requirements of compact product.

  1. Input voltage range 5V-18V DC;
  2. Self-propelled SIM card slot design, support 2G / 3G / 4G card or small card;
  3. Module will connected to the network automatically after you power on it;
  4. Compatible with a variety of single-chip serial port;
  5. Reserved headset and microphone interface;
  6. Support TTS DTMF function;
  7. Bluetooth 3.0 protocol, enhanced Bluetooth antenna, support for serial port SPP and audio services;
  8. Reserved lithium battery-powered BAT interface, you can use 3.7V lithium battery or 18650 lithium battery;
  9. Reserved IPEX interface, SMA interface, spring antenna interface, can be used on different occasions;
  10. With work indicator: the LED will flash 1 time per second when no network, no SIM card or SIM card inserted, and will flash 1 time per 3 seconds under normal conditions.
  11. Board size: 40.9*51.3mm 

Interface description:

  1. GND: Power ground
  2. VCC_IN: Power supply pin, input DC5V-20V
  3. RI: Ring indicator
  4. DTR: Data terminal preparation
  5. TXD: TTL serial port transmission
  6. RXD: TTL serial port receive  
  7. U2_R: module serial port 2 receive
  8. U2_T: module serial port 2 send transmission
  9. V_M: connect to the core voltage (5V/3.3V,it depend on your MCU) of MCU for level match(generally, NC also be OK for this pin)
  10. ADC: ADC detection
  11. SPP: Audio output positive
  12. SPN: Audio output negative
  13. MC-: Audio input negative
  14. MC +: Audio input positive
  15. PWR: Power enable or disable(enable when low level)
  16. BAT: lithium battery input pin, 3.3v-4.4v

Basically instructions

The SIM800C mainly controlled by AT commands, so just find a USB convert to TTL serial port module,and 5V,GND,TXD,RXD pins connect to VCC_IN, GND,RXD, TXD pins of SIM800C
When the module is started, the indicator LED flashes once every 1 seconds, and after a period of time, the indicator LED flashes once every 3 seconds, it means the SIM800C start works normally.

Package Included:

1PCS SIM800C Development Board

1PCS Antenna

1PCS Normal pin


There are no reviews yet.

Be the first to review “SIM800C Development Board GSM GPRS Module”

Your email address will not be published. Required fields are marked *