Multislot Class 10 EDGE E2 power class for 8 PSK Downlink coding schemes - CS 1-4, MCS 1-9 Uplink coding schemes - CS 1-4, MCS 1-9 BEP reporting SRB loopback and test mode B 8-bit, 11-bit RACH PBCCH support 1 phase/2 phase access procedures Link adaptation and IR NACC, extended UL TBF Mobile Station Class B CSD V.110, RLP, non-transparent 9.6 kbps SMS Point-to-point MT and MO Cell broadcast Text and PDU mode Fax Group 3; Class 1 Audio Audio speech codecs GSM: AMR, EFR, FR, HR 3GPP: AMR One ringing melody supported CEPT supervisory tones supported DTMF supported 2 audio modes: Approval, Router Software AT commands AT-Hayes GSM 07.05 and 07.07, Siemens Firmware update Firmware update from host application over USB. Interfaces USB Supports a USB 2.0 Full Speed (12Mbit/s) device interface. Terminal Type: USB HSDPA Luxury B