SIM900A GSM-GPRS Modem

The SIM900A GSM-GPRS Modem is a small, low-cost, and easy-to-use module that provides GPRS/GSM communication with the use of a mobile SIM card. It operates on frequencies 900 and 1800MHz and allows users to receive/send mobile calls and SMS. The module also has a keypad and display interface, which allows developers to create custom applications.

Features:

• Dual-band 900/1800 MHz
• GPRS multi-slot class 10/8
• GPRS mobile station class B
• Compliant to GSM phase 2/2+
• Dimensions: 24 x 24 x 3 mm
• Weight: 3.4 g
• Control via AT commands (GSM 07.07, 07.05, and SIMCOM enhanced AT Commands)
• Supply voltage range: 5V
• Low power consumption: 1.5mA (sleep mode)
• Operation temperature: -40C to +85C

Applications:

• IoT devices
• Asset tracking
• Remote monitoring
• Smart home automation
• Industrial automation
• Voice and data communication

The SIM900A GSM-GPRS Modem is a versatile and powerful module that can be used in a wide variety of applications. It is a cost-effective and reliable solution for developers who need to add GPRS/GSM communication to their projects.