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HUAWEI MG323 GSM M2M Module
Hardware Guide
Appendix B Acronyms and Abbreviations
Issue 06 (2013-06-13)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
54
Acronym or Abbreviation Expansion
PBCCH Packet Broadcast Control Channel
PCB Printed Circuit Board
PDU Protocol Data Unit
RF Radio Frequency
RoHS
Restriction of the Use of Certain Hazardous
Substances
RTC Real-time Clock
SIM Subscriber Identity Module
TTL Transistor-transistor Logic
TVS Transient Voltage Suppressor
UART Universal Asynchronous Receiver-transmitter
VSWR Voltage Standing Wave Ratio