Sony Ericsson GC79 User Manual

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