SIM900 is an SMT module and has a complete Quad-band GSM or GPRS solution. It can be directly embedded in any application. It is a GSM compatible cell phone, works on the frequency of 850, 900 1800, or 1900 MHz It can be used for internet access, oral communication, and SMS. AMR926EJ-S processor manages the module and controls phone and data communication.

Specification

• Quad-Band 850/ 900/ 1800/ 1900 MHz
• GPRS multi-slot class 10/8
• GPRS mobile station class B
• Compliant to GSM phase 2/2+ ? Class 4 (2 W @850/ 900 MHz) ? Class 1 (1 W @ 1800/1900MHz)
• Dimensions: 48.5* 50 * 13 mm
• Weight: 3.4g
• Control via AT commands (GSM 07.07, 07.05 and SIMCOM enhanced AT Commands)
• SIM application toolkit
• Supply voltage range: 3.4 ? 4.5 V
• Low power consumption
• Operation temperature: -30 �C to +80 �C