The item is a GSM/GPRS shield,based on the SIM900 Quad-band GSM/GPRS module. It is controlled via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands), and fully compatible with Arduino / Iduino and Mega.

Features:

1. Quad-Band 850/ 900/ 1800/ 1900 MHz
2. GPRS multi-slot class 10/8
3. GPRS mobile station class B
4. Compliant to GSM phase 2/2+
Class 4 (2 W (AT) 850/ 900 MHz)
Class 1 (1 W( AT) 1800/1900MHz)
5. Control via AT commands (GSM 07.07 ,07.05 and
SIMCOM enhanced AT Commands)
6. Short message service
7. Free serial port selection
8. All SIM900 pins breakout
9. RTC supported with SuperCap
10. Operation temperature: -40 ~ +85

Specifications:

• PCB size:71.4mm X 66.0mm X 1.6mm
• Indicators:PWR, status LED, net status LED
• Power supply:9~20V, compatible with Arduino
• Communication Protocol:UART
• RoSH:Ye 

Application Ideas

• M2M (Machine 2 Machine) Applicatoions.
• Remote control of appliances.
• Remote Weather station or a Wireless Sensor Network.
• Vehicle Tracking System with a GPS module.
• • Type:Logic ICs
  • Condition:New
  • Application:Mobile Phone
  • Supply Voltage:9-20V
  • Dissipation Power:850/ 900/ 1800/ 1900 MHz
  • Operating Temperature:-40°C to +85 °C
  • Model Number:B153
  • is_customized:Yes