SPECIFICATIONS AND FEATURESType: GSM GPRS ModuleSeries: sim900Dimensions: 50mm x 49mmVCC operating voltage: 5VOperating current: 1ADual Band GSM/GPRS ModuleSerial port circuit with protectionControl by AT commandSMS or PDU text modeLED signal and RING indicator.Compatible with ARDUINO, RASPBERRY PI, ARM, AVR, PIC, 8051, etc.Default baud rate: 9600bpsBuilt-in TCP/IP stackClass 10/8 multi-slot GPRSClass B GPRS mobile stationComply with GSM 2/2+ standardsClass 4 (2 W at 900 MHz)Class 1 (1 W at 1800 MHz)Controlled by AT commands (GSM 07.07, 07.05 and SIMCOM enhanced AT command set)Antenna interface circuit (SMA curve female port)SIM card circuit (Flip SIM slot)Operating temperature range: -40 ° C to +85 ° C.Pins:VCC5 = 5V supplyGND = Ground3VT = TXD (output, 3.3V)3VR = RXD (input, 3.3V)5VT = TXD (Output, 5V): Connect this pin to the receive pin of the Arduino5VR = RXD (Input, 5V): Connect this pin to the Arduino transmit pinVCC = Do not useGND = GroundDB9-2 = RS232 TX (output)DB9-3 = RS232 RX (input)GND = Ground
What is Sim900 Mini Module?It is 4-band that you can use in your wireless communication and remote control projects, either to send and receive SMS messages and calls or to have a mobile data network and internet via GPRS.The SIM900 includes a flip slot for SIM chips from any cellular telephone network operator, compatible with 2G, 3G and 4G as well as a connector for external power input, incorporates a MAX232 circuit with the RS232 interface and the SMA GSM antenna .What is the Sim900 Mini Module for?It is used to connect your projects to a cell phone network to send and receive text messages (SMS), calls, Internet connection via GPRS. This module is compatible with all Arduino boards, which you can configure through the RS232 serial port by means of the GSM 07.07 standard AT commands and the extended set of SIMCOM AT commands, which allows its operation from any microcontroller system and through the port RS232.
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