Nokia RM-237 User Manual

Table of Contents
Phone description ..................................................................................................................................................8–5
Engine......................................................................................................................................................................8–8
Engine modules.................................................................................................................................................8–8
RF engine............................................................................................................................................................8–9
Main processor...................................................................................................................................................8–9
Energy management.........................................................................................................................................8–9
Battery and charging .......................................................................................................................................... 8–10
Interfaces ............................................................................................................................................................. 8–11
FM radio........................................................................................................................................................... 8–11
Camera............................................................................................................................................................. 8–11
SIM ................................................................................................................................................................... 8–12
µSD card interface .......................................................................................................................................... 8–13
User interface....................................................................................................................................................... 8–13
Display ............................................................................................................................................................. 8–13
Keyboard ......................................................................................................................................................... 8–13
Display and keypad backlight ....................................................................................................................... 8–13
Audio concept...................................................................................................................................................... 8–13
Audio concept................................................................................................................................................. 8–13
Connections.......................................................................................................................................................... 8–15
IrDA .................................................................................................................................................................. 8–15
AV connector................................................................................................................................................... 8–15
USB................................................................................................................................................................... 8–15
Bluetooth ........................................................................................................................................................ 8–15
Main RF characteristics........................................................................................................................................ 8–16
List of Tables
Table 14 Channel numbers and frequencies .................................................................................................... 8–16
Table 15 Main RF characteristics........................................................................................................................ 8–16
Table 16 Transmitter characteristics................................................................................................................. 8–17
Table 17 Receiver characteristics....................................................................................................................... 8–17
List of Figures
Figure 51 System block diagram ..........................................................................................................................8–7
Figure 52 Board and module connections...........................................................................................................8–8
Figure 53 Old (left) and new (right) charger plugs.......................................................................................... 8–11
Figure 54 FM radio interface .............................................................................................................................. 8–11
Figure 55 SIM interface connections ................................................................................................................. 8–12
Figure 56 Audio block diagram.......................................................................................................................... 8–14
Figure 57 IR module pin ordering ..................................................................................................................... 8–15
Figure 58 Bluetooth interface block diagram .................................................................................................. 8–16
RM-237
System module Nokia Customer Care
Issue 1 COMPANY CONFIDENTIAL Page 8 –3
Copyright © 2007 Nokia. All rights reserved.

Nokia RM-237 Specifications

General

Brand	Nokia
Model	RM-237
Category	Handhelds
Language	English