User's Manual
Table Of Contents
- Legal Information
- 1 About This Document
- 2 Product Overview
- 3 Interfaces
- 3.1 Definition of PINs
- 3.2 Working Condition
- 3.3 Feature of Interface Power Level
- 3.4 Power Interface
- 3.5 (U)SIM Card Interface
- 3.6 SD Card Interface
- 3.7 USB2.0 Interface
- 3.8 Serial Interface
- 3.9 JTAG (Joint Test Action Group) Interface
- 3.10 Power-on/Power-off & Reset Signal
- 3.11 Interactive Application Interface
- 3.12 LED Indicator Interface
- 4 Electric Feature
- 5 Technical Index of Radio Frequency
- 6 Related Test & Testing Standard
- 7 Design Guide
- 7.1 General Design Rule & Requirement
- 7.2 Power Supply Circuit Design
- 7.3 RF Circuit Design
- 7.4 Suggestions for EMC & ESD Design
- 7.5 Suggestions for PCB Wielding Panel Design
- 7.6 Suggestions for Heat-dissipation Design
- 7.7 Recommended Product Upgrading Plan
- 8 Manufacturing Guide
- 9 FCC Regulations:
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