User Guide

Nokia Customer Care System Module
Company Confidential RH-21
Issue 2 07/2004  2004 Nokia Corporation. Page 5
Transceiver RH-21
Introduction
The RH-21 (Model 3520) transceiver is a single-band TDMA800 transceiver unit.
The transceiver consists of engine module (1cb) and assembly parts.
The transceiver has a full graphic display and the user interface is based on the Jack 3.2
UI with two soft keys.
An internal antenna is used, there is no connection to an external antenna.
The transceiver has a low leakage tolerant earpiece and an omnidirectional microphone,
providing excellent audio quality.
Figure 1: Interconnecting Diagram
USER INTER FAC E
EXT
RF
ANT
TRANSCEIVER
Ostrich
BATTERY
Ext. Audio
A
ccessories
BUZZER
VIBRA
CHARGER
MIC
BACKLIGHT
BACKLIGHT
Prod.TEST I/F
B & W
display
12 3
4
5
6
7
8
9
*
0#
✉
☎
➚
LCD DRIVER
JTAG
BSI
BTemp
ENGINE
BB
RF
EARPIECE
AUDIO
(discr)