User Guide

RH-30/RH-31 Company Confidential
System Module Nokia Customer Care
Page 6 © 2004 Nokia Corporation. Issue 2 11/2004
PA Transmit Power Amplifier
PC Personal Computer
PCM Pulse Code Modulation
PCM SIO Synchronous serial bus for PCM audio transferring
PIFA Planar Inverted F-antenna
PWB Printed Wiring Board
PWM Pulse Width Modulation
RF Radio Frequency
RTC Real Time Clock
SIM Subscriber Identity Module
SW Software
UEM Universal Energy Management
UI User Interface
UPP Universal Phone Processor
VCXO Voltage Controlled Crystal Oscillator
VCTCXO Voltage Controlled Temperature Compensated Crystal Oscillator.