User's Manual

Cinterion
®
ALS1-US Hardware Interface Overview
1.3 Terms and Abbreviations
13
 ALS1-US_HIO_v01.000 2013-08-14
Confidential / Preliminary
Page 8 of 34
PU Pull Up resistor (appr. 100k)
QAM Quadrature Amplitude Modulation
R&TTE Radio and Telecommunication Terminal Equipment
RF Radio Frequency
rfu Reserved for future use
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 Signalling 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
WCDMA Wideband Code Division Multiple Access
Abbreviation Description