Hardware Development Guide of Module Product
2
All Rights reserved, No Spreading abroad without Permission of ZTEWelink
1.4
Abbreviations
Table 1-2 is a list of abbreviations involved in this document, as well as the English
full names.
Table 1-2 Abbreviation List
Abbreviations
Full Name
ESD
Electro-Static discharge
GPRS
General Packet Radio Service
GSM
Global Standard for Mobile
Communications
I/O
Input/output
LED
Light Emitting Diode
SPI
Serial Peripheral Interface
WCDMA
Wideband Code Division Multi Access
UMTS
Universal Mobile Telecommunication
System
BER
Bit Error Rate
DL
Downlink
DPCH
Dedicated Physical Channel
DPCH_Ec
Average energy per PN chip for DPCH.
DPCH
SIM
Subscriber Identification Module