... Dual-band 900/1800MHZ USB interface Send and receive voice, data, fax, email, SMS, MMSIndustrial designAluminum casingWireless access to ... Dual-band 900/1800MHZ USB interface Send and receive voice, data, fax, email, SMS, MMSIndustrial designAluminum casingWireless access to ... tone multi-frequency function (DTMF)Send and receive voice, data, fax, e-mail, SMS,MMSMaximum transmitting speed 115KB/sSupport ...