SIM900A GSM GPRS Module for Arduino & Raspberry Pi | Wireless Communication ModuleSKU 2016

Sensors & Modules

SIM900A GSM GPRS Module for Arduino & Raspberry Pi | Wireless Communication Module

₹1,099

01 — About

What it does

The SIM900A GSM GPRS Module for Arduino & Raspberry Pi | Wireless Communication Module enables cellular communication for IoT devices. It supports SMS messaging, voice calls, and GPRS data connectivity for remote monitoring and control applications.

Key features

  • Dual-band GSM 900/1800 MHz for India/Asia/Europe
  • SMS send/receive capability via AT commands
  • Voice call support with audio interface
  • GPRS data connectivity for internet access
  • UART TTL interface for microcontroller connection
  • Low power modes for battery operation
  • AT command control for all functions

Good to know

  • Requires active SIM card with SMS/data plan
  • Power supply must provide at least 1.5A peak current
  • Add 1000μF+ capacitor near power pins for current spikes
  • SIM900A is Asia/Europe version; SIM900 for quad-band worldwide
  • Use SoftwareSerial library – hardware serial for debugging
  • GPRS APN settings required for internet connectivity

02 — Datasheet

Specifications

09
Model
SIM900A
Network
GSM 900/1800 MHz
Data
GPRS Class 10
Interface
UART TTL
Operating Voltage
5V (module), 3.4-4.5V (SIM)
Peak Current
1.5A (transmit)
SIM Card
Standard SIM
Antenna
External (SMA or U.FL)
Audio
Speaker + microphone interface