Seamless GSM/GPRS Connectivity: This SIM900A GSM/GPRS USB SMS Modem provides reliable dual-band (900/1800 MHz) communication for your projects, enabling SMS messaging, data transfer, and even fax capabilities. Ideal for IoT applications, remote monitoring, and more.
Effortless Integration: The USB interface ensures straightforward connection to your computer or microcontroller unit (MCU), minimizing setup time and complexity. Perfect for hobbyists and makers of all skill levels.
Versatile Communication Protocols: Supports a wide range of AT commands (GSM07,05, and SIMCOM enhanced commands), offering extensive control and customization options. Configure baud rates from 1200 to 115200bps for optimal performance.
Robust Data Handling: Achieve reliable data transfer rates up to4 kbps via CSD, and utilize USSD for non-transparent mode communication. Supports both point-to-point and cell broadcast SMS messaging in both text and PDU modes.
Built-in TCP/IP Stack: Leverage the integrated TCP/IP stack for seamless internet connectivity via GPRS, expanding the possibilities for your connected projects.
Low Power Consumption: Designed for efficiency, the SIM900A boasts low power consumption, particularly in sleep mode (0mA), making it suitable for battery-powered applications.
Superior Noise Reduction: The aluminum enclosure effectively minimizes electromagnetic interference, ensuring stable and reliable signal transmission.
Wide SIM Card Compatibility: Supports most SIM cards (excluding Jio).
Specifications:
Modem Model SIM900A GSM/GPRS USB SMS Modem
GPRS mobile station ClassB
Supply voltage 9-12V DC
Dimensions 11 x 9 x 5cms
Weight 100 grams
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