Antenna Installation; Antenna Requirement - Quectel EG91 Series Hardware Design
Lte standard module
Hide thumbs
Also See for EG91 Series:
- Hardware design (98 pages) ,
- Hardware design (94 pages) ,
- Hardware design (108 pages)
Table of Contents
Advertisement
QZSS
A reference design of GNSS antenna is shown as below.
NOTES
1.
An external LDO can be selected to supply power according to the active antenna requirement.
2.
If the module is designed with a passive antenna, then the VDD circuit is not needed.
5.3. Antenna Installation
5.3.1. Antenna Requirement
The following table shows the requirements on main antenna, Rx-diversity antenna and GNSS antenna.
Table 28: Antenna Requirements
Type
1)
GNSS
EG91_Series_Hardware_Design
1575.42
Figure 35: Reference Circuit of GNSS Antenna
Requirements
Frequency range: 1559MHz~1609MHz
Polarization: RHCP or linear
VSWR: < 2 (Typ.)
Passive antenna gain: > 0dBi
Active antenna noise figure: < 1.5dB
Active antenna gain: > 0dBi
Active antenna embedded LNA gain: < 17dB
LTE Standard Module Series
EG91 Series Hardware Design
MHz
64 / 106
Hide quick links:
Advertisement
Table of Contents
