MMS Multimedia messaging service
NFC Near field communication
NTC Negative temperature coefficient, temperature sensitive resistor used as a
temperature sensor
OMA Object management architecture
OMAP Operations, maintenance, and administration part
Opamp Operational Amplifier
PA Power amplifier
PDA Pocket Data Application
PDA Personal digital assistant
PDRAM Program/Data RAM (on chip in Tiku)
Phoenix Software tool of DCT4.x and BB5
PIM Personal Information Management
PLL Phase locked loop
PM (Phone) Permanent memory
PUP General Purpose IO (PIO), USARTS and Pulse Width Modulators
PURX Power-up reset
PWB Printed Wiring Board
PWM Pulse width modulation
RC-filter Resistance-Capacitance filter
RF Radio Frequency
RFBUS Serial control Bus For RF
RSS Web content Syndication Format
RSSI Receiving signal strength indicator
RST Reset Switch
RTC Real Time Clock (provides date and time)
RX Radio Receiver
SAW filter Surface Acoustic Wave filter
SDRAM Synchronous Dynamic Random Access Memory
SID Security ID
SIM Subscriber Identity Module
SMPS Switched Mode Power Supply
SNR Signal-to-noise ratio
SPR Standard Product requirements
SRAM Static random access memory
STI Serial Trace Interface
RM-505; RM-506
Glossary
Issue 1 COMPANY CONFIDENTIAL Page Glossary–5
Copyright © 2009 Nokia. All rights reserved.
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