Arduino, GPRS GSM Shield SIM900 850/900/1800/1

Shield based on the popular chip SIM900
The module supports SMS, MMS, GPRS and audio
Communication via UART by sending AT commands (GSM 07.07, 07.05 and SIMCom AT commands)
Quad-band 850/900/1800/1900 MHz
The module works in GSM networks in all countries around the world
Class GPRS multi-slot 10/8
GPRS mobile station class B
In accordance with the GSM 2/2 +
Class 4 (2 W @ 850/900 MHz)
Class 1 (1 W @ 1800 / 1900MHz)
TCP / UDP stack - allows you to upload data to the web server.
RTC
Low power consumption - 1.5 mA (sleep mode)
Industrial temperature range - -40 ° C to +85 ° C
Dimensions: 8.5 × 5.7 x2 cm

Included:
1pcs GSM GPRS shield for arduino
1pc antenna
 

Instructions for use:

http://navody.arduino-shop.cz/navody-k-produktum/arduino-gsm-shield-sim900.html

http://navody.arduino-shop.cz/navody-k-produktum/gsm-shield-sim900-gprs-a-thingspeak.html