LG HB620 Service Manual page 46

3.7.4 GSM features
The following GSM modes and data rates are supported by the MSM6280 device hardware.
Support modes conform to release '99 specifications of the sub-feature.
■ Voice features
❏ FR
❏ EFR
❏ AMR
❏ HR
❏ A5/1, A5/2, and A5/3 ciphering
■ Circuit-switched data features
❏ 9.6k
❏ 14.4k
❏ Fax
❏ Transparent and non-transparent modes for CS data and fax
❏ No sub-rates are supported.
3.7.5 GPRS features
■ Packet switched data (GPRS)
❏ DTM (Simple Class A) operation
❏ Multi-slot class 12 data services
❏ CS schemes: CS1, CS2, CS3, and CS4
❏ GEA1, GEA2, and GEA3 ciphering
■ Maximum of four Rx timeslots per frame
3.7.6 EDGE features
■ EDGE E2 power class for 8 PSK
■ DTM (simple Class A), multi-slot class 12
■ 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
■ 1phase/2 phase access procedures
■ Link adaptation and IR
■ NACC, extended UL TBF.
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Only for training and service purposes
3. TECHNICAL BRIEF
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