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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 3109c (RM-274)

Band Channel

RX Att.

(dB)

Tolerance

TX Att.

(dB)

Tolerance

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 and RM-274. 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

and RM-274 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-274, refer to various concepts.

RM-274

Service Tools and Service Concepts

Page 2 –6 COMPANY CONFIDENTIAL Issue 1