Nokia RM-237 - General Tools

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 3110c (RM-237)
Band Channel
RX Att.
(dB)
Tolerance
RX
TX Att.
(dB)
Tolerance
TX
EGSM
900
Low 3
+/-1
4.2
+/-1Mid 4 3.5
High 5 4
GSM
1800
Low 3
+/-1
4.4
+/-1Mid 3 4.3
High 4 3.5
GSM
1900
Low 3
+/-1
4.5
+/-1Mid 4 4.5
High 4 5
SS-116 adaptor frame
SS-116 Adaptor frame is used with MJ-122 Module Jig.
The Module Jig MJ-122 is delivered with an adaptor frame for use with
RM-217 and RM-222. The Guiding pins are in different positions for
RM-237. Each adaptor frame is marked according to the transceiver
type that it can be used with. Remove the existing adaptor frame and
replace with SS-116 to enable MJ-122 re-use with RM-237 phones."
General tools
The table below gives a short overview of service tools that can be used for testing, error analysis and repair
of product RM-237, refer to various concepts.
RM-237
Nokia Customer Care Service Tools and Service Concepts
Page 4 –6 COMPANY CONFIDENTIAL Issue 1
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