Before taking this item, please check whether your region is covered by anyone of GSM 900MHZ/1800MHZ.
GSM (Groupe Special Mobile) - Global System for Mobile communications - most popular standard for mobile phones in the world.
GSM 900 / GSM 1800 MHz are used in most parts of the world: Europe, Asia, Australia, Middle East, Africa.
GSM 850 / GSM 1900 MHz are used in the United States, Canada, Mexico and most countries of S. America.

GSM Modem Product List
The whole product includes following list of articles:
1. One USB cable
2. One DB Antenna, 80mm
3. Modem Body: white aluminous shell
4. One Sliding SIM Card Slot

Technical Parameters Specification for GSM Modem
1. Type
GSM Modem with industrial-grade Wavecom Q2303A module.
2. Technological Specifications
*Support dual frequency: GSM 900/1800MHz
*Conform to ETSI GSM 2+ standard
*Output Power:
Class4 (2W @ 900 MHz)
Class5 (1W @ 1800 MHz)
*Power Source: USB
*Temperature Range:
-20 Centigrade Degree ~ +55 Centigrade Degree active status
-25 Centigrade Degree ~ +70 Centigrade Degree preserved condition
*Product Size: standard
3. Basic Features
*Asynchronous, Transparent or Non-transparent, The highest baud rate: 14400bits/s
*Serial Baud Rate: 300-115200bits/s
*Automatic Baud Rate: from 2,400 to 19,200bits/s
*Support Group 3 Document Facsimile Transmission
*Support Switching between Voice and Fax
*V.42,V.42bis
*USB Interface
*Control via AT Commands (GSM 07.07, 07.05)
*Compatible with SMS Studio, SMS Caster