User's Manual

GWM400 Product Technical Specification and User Guide
1.2 Terms and Abbreviations
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GWM400_HID_v02 2017-07-05
Confidential / Prelimenary
Page 10 of 38
ITU International Telecommunications Union
kbps kbits per second
LVD Low voltage Directive
Mbps Mbits per second
MCU Microprocessor Controll Unit
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