SIM800L GSM & GPRS MicroSim TTL 3V7-4V2 Module Arduino

SIM800L module expands your microcontroller project with GSM and GPRS standard communication.

Send SMS messages, make calls and use GPRS data. This module has micro SIM card connector onboard.

The module is able to operate at frequencies of 850/950/1800/1900 MHz (4BAND) and transmit GPRS data at speeds up to 85.6 kbps. The module works on a voltage from 3.8V to 4.2V. The LED diode on the board will inform us about the connection status of the system with the GSM network.

Technical data:

- Chip: SIM800L

- Supply voltage: 3.7-4.2V

- Card slot: MicroSIM

- LED indicator shows GSM network status

Goldpin header connectors:

RING - I / O signal during incoming call

DTR - reset when uploading firmware

MIC - connector for connecting a microphone

SPK - connector for connecting a loudspeaker

NET - connector for soldering the antenna

VCC - system power supply - 3.7-4.2V

Reset - system reset

RXD - receiving data

TXD - sending data

GND - system ground

- Maximum voltage level on the UART / TTL interface is 2.8V

- Antenna connector: IPX

- Works in QUAD BAND networks (850, 900, 1800, 1900Mhz) - all Irish ones

- Automatic power on and network login

- Possible use: making voice calls, SMS, SMS gateway, alarms.

- Dimensions: 25 x 23 mm