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SA-123
SA-123 is an RF coupler for GSM RF testing. It is used together with the
product-specific flash adapter.
The following table shows attenuations from the antenna pads of the
mobile terminal to the SMA connectors of SA-123:
• Nokia 3500c (RM-272)
Band
Channel
EGSM
Low
900
Mid
High
GSM
Low
1800
Mid
High
GSM
Low
1900
Mid
High
• Nokia 3500c (RM-273)
Band
Channel
EGSM
Low
850
Mid
High
GSM
Low
1800
Mid
High
GSM
Low
1900
Mid
High
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Service Tools and Service Concepts
RF coupler
RX Att.
Tolerance
(dB)
RX
4
4
+/-1
6
6
7
+/-1
6
6
6
+/-1
6
RX Att.
Tolerance
(dB)
RX
6
6
+/-1
6
8
8
+/-1
7
5
5
+/-1
5
RM-272; RM-273
TX Att.
Tolerance
(dB)
TX
5.9
4.3
+/-1
3.7
6.3
6.5
+/-1
6.5
7.3
6.9
+/-1
7
TX Att.
Tolerance
(dB)
TX
7.4
6.8
+/-1
6.4
6.3
6.8
+/-1
6.4
7.5
7
+/-1
6.4
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