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
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ZM8620_V2
8.3 Antenna Dimensions and Location
The dimensions of different terminal products are different, so they impose different requirements upon
the performance of antenna. The dimensions and location of antennas are also different. Taking 3G
Internet-access laptop as an example, it is recommended that the antenna be placed on the top of LCD.
8.4 Diversity Antenna Design
ZM8620_V2 supports diversity receiving function, and if it is necessary to support diversity, the
notebook needs to add diversity antenna. The design method of the diversity antenna is consistent with
the main antenna, and its efficiency index is allowed to reduce by 3dB. The isolation of the main antenna
and the diversity antenna is required to be bigger than 12dB.