SIM900A GSM/GPRS Module

Stufin

SIM900A GSM/GPRS Module

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Description: 1. SIM900A is a versatile GSM/GPRS module that enables wireless communication via Global System for Mobile Communications (GSM) and General Packet Radio Service (GPRS). 2. Size and Power: It measures approximately 36mm x 45mm x 10mm, making it compact enough to fit most projects. The operating voltage ranges from 3.4V to 4.8V DC, while the current consumption is around 37mA in standby mode and up to 525mA during transmission. 3. Connectivity: The module supports Class 12 GSM/GPRS networks with a maximum data rate of 85.6 kbps for both downlink and uplink. It includes a built-in antenna, but an external antenna can be used for improved signal strength. 4. Communication Protocols: SIM900A supports several communication protocols, including AT commands, TCP/IP, DHCP, ARP, SMTP, POP3, and FTP, making it suitable for various IoT projects. 5. Memory: It includes an internal 2MB flash memory and 16KB SRAM to store data temporarily during transmission or processing. This additional storag

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Specification	Details
Frequency Band	Quad-band: 850/900/1800/1900 MHz
GSM/GPRS Class	Class 12 (GSM) and Multi-slot Class 10 (GPRS)
Data Rate	Up to 85.6 kbps (GPRS) up to 9.2 kbps (SMS)
Communication Protocol	AT Commands TCP/IP HTTP FTP SMTP etc.
Power Supply	3.5V ±10% DC (via Power Jack or PCB mount)
Current Consumption	Typical: 1.4A during transmit 0.7A during receive
Dimension	34.8mm x 27.2mm x 2.8mm
Weight	Approximately 25 grams
Operating Temperature Range	-40°C to +85°C
Storage Temperature Range	-55°C to +125°C