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GSM Module

R189.75 inc VAT

6 in stock (can be backordered)

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  • SIM800 series modules support Hyper Text Transfer Protocol application. Which provides a mode to the alternate of HTTP server. The basic application contains GET, POST, HEAD methods; it also supports proxy server, redirection, broken transfer resuming functions.
  • SIM800 series modules support File Transfer Protocol application. Which provides a mode to interact with FTP server. The basic application contains GET, PUT methods, it also supports broken transfer resuming function. PUT method supports APPE, STOR and other modes.




  • Power supply: voltage range: 3.4V`4.4V
  • Power saving: SLEEP mode is 0.7mA (BS-PA-MFEMS=9).
  • Band: GSM type: small mobile station
    • four frequency: EGSM900, DCS1800, GSM850, PCS1900, can automatically search the four frequency bands. You can also set the frequency band through the AT command.
    • Accord GSM Phase 2/2+
  • Transmit power:
    • Class 4 (2W): GSM850, EGSM900
    • Class 1 (1W): DCS1800, PCS1900
  • GPRS connection features:
    • GPRS time slot default is 12
    • GPRS time slot default is 12
    • GPRS mobile station level is B
  • Temperature range:
    • Working temperature: -40 ℃ ~ +85 ℃
    • Storage temperature: -45 ℃ ~ +90 ℃
  • GPRS data characteristics:
    • GPRS data downlink transmission: maximum 85.6 kbps
    • GPRS data uplink transmission: maximum 85.6 kbps
    • Coding formats: CS-1, CS-2, CS-3, and CS-4
    • Support for PAP (password authentication protocol) protocol for PPP connections
    • Embedded TCP/IP protocol
    • Support packet broadcast control channel (PBCCH)
    • CSD transmission rate: 2.4,4.8,9.6,14.4kbps
    • Support unstructured supplementary data service (USSD)
  • Circuit switching (CSD):
    • CSD transmission rate:  2.4,4.8,9.6,14.4kbps
    • Support unstructured supplementary data service (USSD)
  • Short message (SMS): SIM card interface: support SIM card: 3V, 1.8V
    • MT, MO, CB, Text and PDU models
    • Short message (SMS) storage device: built-in SIM card
  • Antenna interface: antenna pad
  • Speech coding mode:
    • Half rate (ETS 06.20)
    • Full rate (ETS 06.10)
    • Enhanced full rate (ETS 06.50 / 06.60 / 06.80)
    • Adaptive multi-rate (AMR)
    • Echo cancellation
    • Noise suppression
  • Serial port: Debug
  • port: For debugging
    • Supporting the full function of the standard serial port
    • Transmission rate support from 1200bps to 115200bps
    • AT command and data can be sent through the serial port
    • Support for RTS/CTS hardware flow control, and can be opened or closed by the software flow control function
    • Supports GSM 07.10 protocol of the serial port multiplexing function
    • Support automatic baud rate detection function from 1200bps to 115200bps
    • Software upgrade
  • Communication record management:
  • Support types: SM, FD, LD, RC, ON, MC.
  • SIM application toolkit:Support class SAT 3, GSM 11.14 Release 99
  • Real time clock (RTC):Support
  • Time function:AT command set
  • Software upgrade:Upgrade software via serial port or USB port

Package including:

  • 1pcs SIM800L GPRS transfer board micro SIM GSM Core board 4 frequency module TTL Port

Example Sketch & Diagram

/* SIM800L send sms

TX——D2 RX——D3 VCC—–3.7V GND—–GND */

#include <SoftwareSerial.h>

SoftwareSerial SIM800_SERIAL(2, 3); // connect tx and rx outputs from module to D2 and D3

String sms_text = “Hello how are you”; //sms text here String phone = “your number including country code”; //CHANGE THIS NUMBER void setup(){

Serial.begin(9600); SIM800_SERIAL.begin(9600);


//Init settings: SIM800_SERIAL.println(“AT+CLIP=1”); delay(100); SIM800_SERIAL.println(“AT+CMGF=1”); delay(100); SIM800_SERIAL.println(“AT+CSCS=”GSM””); delay(100); Serial.print(“SENDING SMS…”); SEND_SMS(sms_text, phone); Serial.println(“SENDED!”); } void loop(){

//READ SIM800 OUTPUT AND SHOW IN TERMINAL if(SIM800_SERIAL.available()){ Serial.write(SIM800_SERIAL.read()); }

//READ TERMINAL COMMAND AND SEND TO SIM800 if(Serial.available()){ SIM800_SERIAL.write(Serial.read()); } } void SEND_SMS(String text, String phone) {

SIM800_SERIAL.println(“AT+CMGS=”” + phone + “””); delay(100); SIM800_SERIAL.print(text); delay(000); SIM800_SERIAL.print((char)26); delay(100); }

Additional information

Weight 0.10 kg


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