SIM900 GSM/GPRS shield for Arduino - IComSat v1.1

• Unit Type: piece
• Package Weight: 0.2kg (0.44lb.)
• Package Size: 10cm x 8cm x 6cm (3.94in x 3.15in x 2.36in)

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SIM900 GSM/GPRS shield for Arduino - IComSat v1.1
This is a GSM/GPRS shield for Arduino and 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 / Itead uino and Mega.
Now the IComsat update from v1.0 to v1.1. What\'s NEW of 1.1:
Support the software power on
Add the 3.5mm socket for microphone and earphone interface on shield
 
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+
5. Class 4 (2 W @850/ 900 MHz)
6. Class 1 (1 W @ 1800/1900MHz)
7. Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
8. Low power consumption: 1.5mA(sleep mode)
9. Operation temperature: -40°C to +85 °C
10. Supply voltage range: VBTA (3.8-4.5V)   or  (5v/2A)
11. Baud Rate:9600
12. UART (TTL) 3.3V and 5V
 
13. Fully functional: telephone, SMS, GPRS network communication MMS (MMS), base station location (LBS), dual-tone multi-frequency (DTMF)
14. 16pin definiti