User's Manual

AHS3-W Hardware Interface Overview
1.2 Terms and Abbreviations
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AHS3-W_HIO_v02.540a Page 8 of 41 2012-09-05
Confidential / Preliminary
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PCB Printed Circuit Board
PCL Power Control Level
PCM Pulse Code Modulation
PCS Personal Communication System, also referred to as GSM 1900
PS Packet Switched
PDU Protocol Data Unit
PSK Phase Shift Keying
QAM Quadrature Amplitude Modulation
R&TTE Radio and Telecommunication Terminal Equipment
RACH Random Access Channel
RF Radio Frequency
RTC Real Time Clock
Rx Receive Direction
SAR Specific Absorption Rate
SELV Safety Extra Low Voltage
SIM Subscriber Identification Module
SLIC Subscriber Line Interface Circuit
SMPL Sudden momentary power loss
SMD Surface Mount Device
SMS Short Message Service
SMT Surface Mount Technology
SRAM Static Random Access Memory
SRB Signalling Radio Bearer
TA Terminal adapter (e.g. GSM module)
TDMA Time Division Multiple Access
TE Terminal Equipment
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