Antenna Installation; Antenna Requirement - Quectel EG91 Series Hardware Design

5.4. Antenna Installation

5.4.1. Antenna Requirement

The following table shows the requirements on main antenna, Rx-diversity antenna
antenna.
Table 27: Antenna Requirements
Type
GNSS 2)
GSM/WCDMA/LTE
NOTE
It is recommended to use a passive GNSS antenna when LTE B13 or B14 is supported, as the use of
active antenna may generate harmonics which will affect the GNSS performance.
12
EG91-AUX does not support Rx-diversity.
EG91_Series_Hardware_Design
Requirements
Frequency range: 1559–1609 MHz
Polarization: RHCP or linear
VSWR: < 2 (Typ.)
Passive antenna gain: > 0 dBi
Active antenna noise figure: < 1.5 dB
Active antenna gain: > 0 dBi
Active antenna embedded LNA gain: < 17 dB
VSWR: ≤ 2
Efficiency : > 30 %
Max. input power: 50 W
Input impedance: 50 Ω
Cable insertion loss:
< 1 dB: LB (<1 GHz)
< 1.5 dB: MB (1–2.3 GHz)
< 2 dB: HB (> 2.3 GHz)
LTE Standard Module Series
12
and GNSS
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