SIM900A GPRS GSM Module

The SIM900A is a GSM/GPRS module that offers a complete, compact, and reliable wireless solution for transmitting voice, SMS, and data over the GSM network. Manufactured by SIMCom, it is widely used in various IoT (Internet of Things) applications, including remote monitoring, control systems, and other embedded applications.
GSM/GPRS Connectivity: Supports GSM-GPRS 900 & 1800 MHz frequencies.
Communication: Capable of voice, SMS, and data transmission.
Data Rates: GPRS multislot class 10&8, GPRS mobile station class B, Supports coding schemes CS 1, 2, 3, and 4.
Power Consumption: Low power consumption with sleep mode, operating voltage range: 3.4V to 4.4V.