LG GD88O Service Manual page 27

3. TECHNICAL BRIEF
3.3.3.4 GSM R99
The following GSM modes and data rates are supported by the MSM7227 hardware. Support modes
conform to release '99 specification of subfeatures.
Voice features
- FR, EFR, AMR, HR, A5/1 and A5/2 ciphering
Circuit-switched data features
- 9.6 k, 14.4 k, Fax
- Transparent and non-transparent modes for CS data and fax
- No subrates are supported.
3.3.3.5 GPRS
Packet-switched data (GPRS)
DTM (simple class A) operation
Multislot class 12 data services
CS schemes — CS1, CS2, CS3, and CS4
GEA1, GEA2, and GEA3 ciphering
Maximum of four Rx timeslots per frame
3.3.3.6 EDGE
EDGE E2 power class for 8 PSK
DTM (simple class A), multislot 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 and 11-bit RACH
PBCCH support
One-phase/two-phase access procedures
Link adaptation and IR
NACC, extended UL TBF
LGE Internal Use Only
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3. Technical Brief
Only for training and service purposes