... Based on Wavecom Q2403A 900/1800MHZ Send and receive SMS, MMS, data and voice High speed USB 16-PORT GSM/GPRS modem poolProduct ... 8 max.85.6kbps(downlinkPBCCH supportCoding schemes CS 1,2,3,4CSD up to 14.4kbpsUSSDNon-transparent modeTransparent modeSpecification for SMS ... and MTSMS cell broadcastText and PDU modeSpecification for Fax Group 3, class 1,2Specification for voice:Triple-rate codec for HR ...