User's Manual
Table Of Contents
- ZTEWelink Hardware Development Guide of ZM8620_V2 Module Product_V2.3.pdf
- Legal Information
- 1 About This Document
- 2 Product Overview
- 3 Mechanic Feature
- 4 Pin Description
- 5 Electric Feature
- 6 Related Test & Testing Standard
- 7 RF Specifications
- 8 Antenna
- 9 Debugging Environment and Method
- 10 Package System
- 11 Safety Information
- 12
Hardware Development Guide of Module Product
All Rights reserved, No Spreading abroad without Permission of ZTEWelink 2
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用源。
ZM8620_V2
5
3GPP TS 34.121 protocol
1.4 Abbreviations
Table 1-2 is a list of the relevant abbreviations, and interpretations in Chinese and English involved in
the whole document.
Table 1–2 Abbreviation List
Abbreviations
English full name
BER
Bit Error Rate
DCE
Data circuit-terminating equipment
DL
Downlink
DTE
Data terminal equipment
DTR
Data terminal ready
DPCH
Dedicated Physical Channel
DPCH_Ec
Average energy per PN chip for DPCH. DPCH
EMC
Electromagnetic compatibility
ESD
Electro-Static discharge
FDD
Frequency Division Duplexing
GPRS
General Packet Radio Service
GSM
Global Standard for Mobile Communications
I/O
Input/output
LED
Light Emitting Diode
PCB
Printed Circuit Board
SIM
Subscriber Identification Module
SMS
Short Message Service
SPI
Serial Peripheral Interface
UART
Universal asynchronous receiver-transmitter
UMTS
Universal Mobile Telecommunication System
USB
Universal Serial Bus
WCDMA
Wideband Code Division Multi Access