Sony Ericsson GC79 User Manual
Page 69
Additional Information
69
GSM Features Supported
CSD technical data
HSCSD Maximum Data Rates (kbps)
The speeds given are maximums, Sony Ericsson cannot guarantee how fast your network will operate.
Receiver
RF Level
-102 dBm
-102 dBm
-102 dBm
Receiver
RX Bit
Error Rate
<= 10
-4
(Static Ch.)
<= 3% (EQ50 ch)
<= 10
-4
(Static Ch.)
<= 3% (EQ50 ch)
<= 10
-4
(Static Ch.)
<= 3% (EQ50 ch)
ME SIM Lock
Yes
Online Services
SIM-AT Class 1b (Class 2 without call control.)
Speech Coding
Not applicable (GC79 does not support speech services)
Standards
AT commands industry standard ETSI 07.05, 07.07
and 07.10, V.25ter command set supported
CSD Data Rates
9.6 kbps or 14.4 kbps depending on the GSM network
Compression
MNP5 (Increases data rate up to 2x depending on data type)
V.42bis (Increases data rate up to 4x depending on data type)
GSM network support required for compression
Error Correction
End to End MNP2 and LAPM (V.42)
RLP
Requires GSM Network support
GSM/ISDN
According to V.110 and V.120
9.6 kbps per
timeslot
14.4 kbps per
timeslot
4 + 1
RX
38.4
57.6
TX
9.6
14.4
3 + 2
RX
28.8
43.2
TX
19.2
28.8