![Nokia 3500 classic RM-272 Скачать руководство пользователя страница 28](http://html.mh-extra.com/html/nokia/3500-classic-rm-272/3500-classic-rm-272_service-manual_252699028.webp)
SA-123
RF coupler
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
RX Att.
(dB)
Tolerance
RX
TX Att.
(dB)
Tolerance
TX
EGSM
900
Low
4
+/-1
5.9
+/-1
Mid
4
4.3
High
6
3.7
GSM
1800
Low
6
+/-1
6.3
+/-1
Mid
7
6.5
High
6
6.5
GSM
1900
Low
6
+/-1
7.3
+/-1
Mid
6
6.9
High
6
7
• Nokia 3500c (RM-273)
Band Channel
RX Att.
(dB)
Tolerance
RX
TX Att.
(dB)
Tolerance
TX
EGSM
850
Low
6
+/-1
7.4
+/-1
Mid
6
6.8
High
6
6.4
GSM
1800
Low
8
+/-1
6.3
+/-1
Mid
8
6.8
High
7
6.4
GSM
1900
Low
5
+/-1
7.5
+/-1
Mid
5
7
High
5
6.4
RM-272; RM-273
Service Tools and Service Concepts
Page 2 –6
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2007 Nokia. All rights reserved.
Содержание 3500 classic RM-272
Страница 127: ...5 System module Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 5 1 Copyright 2007 Nokia All rights reserved ...
Страница 132: ...PWB overview RM 272 RM 273 System module Page 5 6 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...
Страница 147: ...Glossary Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page Glossary 1 Copyright 2007 Nokia All rights reserved ...