Test and Calibration Repair Instruction
1277-2384 Rev 3
Sony Mobile Communications AB – Company Internal
6(8)
Go/NoGo Testing
1.3 Attenuation Factors
The attenuation values listed below in 1.3.1 are valid only when the equipment listed on the
previous pages is being used!
1.3.1 Loss Values – Antenna Coupler
Attenuation Attenuation
C1905/C2005 C1904/C2004
Band Channel Rx Tx Rx Tx
GSM 850
Low 5.75 11.77 7.00 11.89
Mid 6.00 10.27 7.00 10.36
High 7.50 8.81 7.25 8.95
GSM 900
Low 7.00 5.93 9.75 5.90
Mid 5.75 6.60 6.00 6.84
High 6.75 6.83 6.75 7.01
GSM 1800
Low 14.75 17.50 15.00 17.76
Mid 16.25 15.41 17.25 15.45
High 15.00 15.50 16.25 15.51
GSM 1900
Low 15.00 16.93 17.00 17.40
Mid 15.25 14.90 15.00 15.10
High 15.00 13.65 15.00 13.79
WCDMA 850
Low
- - 6.75 11.56
Mid
- - 6.75 10.33
High
- - 6.75 8.89
WCDMA 900
Low 6.75 6.22 - -
Mid 5.75 6.06 - -
High 6.50 6.37 - -
WCDMA 1700
Low
13.25 17.22
Mid
12.25 15.46
High
12.50 15.07
WCDMA 1900
Low
- - 13.25 18.62
Mid
- - 14.75 17.19
High
- - 14.75 13.59
WCDMA 2100
Low 12.75 12.36 13.00 12.39
Mid 12.25 13.01 12.25 12.91
High 12.00 15.49 11.50 15.25