This document provides specifications for a GPRS modem dongle manufactured in China. The dongle connects to computers via USB and supports data transmission rates up to 171.2Kbps as well as voice, SMS. It is compatible with Windows operating systems, runs on USB power, and measures 93mm x 32mm x 11mm. The dongle works with GSM SIM cards without a PIN and operates on GSM frequency bands of 900/1800/1900MHz.

1. GPRS Modem DongleChina Manufacturer SpecificationsProduct Description: GPRS Dongle for computersMax Transmit Rate: 171.2Kbps Support Voice, SMS, Data transmit.Compatible OS: Windows 2000/XP/Vista/Windows7Power Source: USB portDimension: 93mm x 32mm x 11mm (L x W x H)Manufacturer Ref: I8O2B2HL5K0FProduct NotesWorks with GSM SIM cards - SIM cards must not have a PIN numberTransmit frequency:GSM 900MHZ/1800MHZ/1900MHZ Dual Audio Function (DTMF) AT CommandsPackage ContentsGPRS MODEMManual and Driver CD