User's Manual

GWM300 Hardware Interface Overview
1.2 Terms and Abbreviations
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 GWM300_HIO_v01 2016-01-26
Confidential / Released
Page 9 of 35
ITU International Telecommunications Union
kbps kbits per second
LVD Low voltage Directive
Mbps Mbits per second
MMI Machine Machine Interface
MO Mobile Originated
MS Mobile Station
MT Mobile Terminated
NC Not Connected
PA Power Amplifier
PCB Printed Circuit Board
PCM Pulse Code Modulation
PCS Personal Communication System
PD Power Down
PDU Protocol Data Unit
R&TTE Radio and Telecommunication Terminal Equipment
RF Radio frequency
RI Ring Indication
RX Receive direction
SIM Subscriber Identification Module
SMS Short Message Service
SW Software
TDD Time Division Duplex
TDMA Time Division Multiple Access
TX Transmit direction
UART Universal Asynchronous Receiver and Transmitter
Table 1: Terms and abbreviations
Abbreviation Description