1Baiyi USB wireless GPRS modem 2Dual-band 900/1800MHZ 3USB interface 4Send and receive voice, data, fax, email, SMS, MMS Baiyi USB wireless GPRS modem Dual-band 900/1800MHZ USB interface Send and receive voice, data, fax, email, SMS, MMSIndustrial designAluminum casingWireless access to internetDual-band 900/1800MHZStandard USB interfaceDouble tone multi-frequency function (DTMF)Send and receive ...