SIM900A GSM Modem With RS232

SIM900A is an ultra-compact and reliable wireless module. It is a Dual-band GSM/GPRS module in a SMT type and is great for wireless cost-effective solutions.Featuring an industry-standard interface, the SIM900A delivers GSM/GPRS 900/1800MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption. With a tiny configuration of 24mm x 24mm x 3 mm, SIM900A can fit almost all the space requirements in your applications, especially for slim and compact demand of design.General features:1. Dual-Band 900/ 1800 MHz2. GPRS multi-slot class 10/83. GPRS mobile station class B4. Compliant to GSM phase 2/2+5. Class 4 (2 W @900 MHz)6. Class 1 (1 W @ 1800MHz)7. Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)8. SIM application toolkit9. Supply voltage range : 3.1 … 4.8V10. Low power consumption: 1.5mA(sleep mode)11. Operation temperature: -40°C to +85 °C