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1.3 Terms and Abbreviations

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ALS3-USR4_HIO_v03.915

2017-03-27

Confidential / Preliminary

Page 9 of 44

PCL

Power Control Level

PCS

Personal Communication System, also referred to as GSM 1900

PD

Pull Down resistor

PDU

Protocol Data Unit

PS

Packet Switched

PSK

Phase Shift Keying

PU

Pull Up resistor

QAM

Quadrature Amplitude Modulation

R&TTE

Radio and Telecommunication Terminal Equipment

RF

Radio Frequency

rfu

Reserved for future use

ROPR

Radio Output Power Reduction

RTC

Real Time Clock

Rx

Receive Direction

SAR

Specific Absorption Rate

SELV

Safety Extra Low Voltage

SIM

Subscriber Identification Module

SMD

Surface Mount Device

SMS

Short Message Service

SMT

Surface Mount Technology

SRAM

Static Random Access Memory

SRB

Signaling Radio Bearer

TE

Terminal Equipment

TPC

Transmit Power Control

TS

Technical Specification

Tx

Transmit Direction

UL

Upload

UMTS

Universal Mobile Telecommunications System

URC

Unsolicited Result Code

USB

Universal Serial Bus

UICC

USIM Integrated Circuit Card

USIM

UMTS Subscriber Identification Module

USAT

U/SIM Application Toolkit

WB-AMR

Wideband Adaptive Multirate

WCDMA

Wideband Code Division Multiple Access