... MHz /1800 MHz USB GSM/GPRS MODEM POOL(8-PORT)Product DescriptionUSB interface Based Wavecom module Q2403A900 MHz ... USB cable , 1 power cable, 8 antennas,8 earphones, CDSpecification for dataGPRS Class 8 max.85.6kbps(downlinkPBCCH supportCoding schemes ... operationEcho cancellationNoise reductionShenzhen Baiyi Technology, a factory which has 8 years of experience in Researching, Developing, Producing and ...