China SIM900 GPRS/GSM Shield Development Board Quad-Band Module Compatible, Find details about China Arduino Shield, SIM900 from SIM900 GPRS/GSM Shield Development Board Quad-Band Module Compatible
1.Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world.
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 - Standard Commands: GSM 07.07 &
07.05 | Enhanced Commands: SIMCOM AT Commands.
8.Short Message Service - so that you can send small amounts of data over the network (ASCII or raw hexadecimal).
9.Embedded TCP/UDP stack - allows you to upload data to a web server.