Gnss Antenna Interface; Antenna Installation; Antenna Requirement - Quectel EM05 Hardware Design

B39
B40
B41

5.2. GNSS Antenna Interface

The following table shows frequency specification of GNSS antenna interface.
Table 20: GNSS Frequency
Type
GPS/Galileo/QZSS
GLONASS
BeiDou

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 21: Antenna Requirements
Type
GNSS
WCDMA/CDMA/LTE
EM05_Hardware_Design
1880~1920
2300~2400
2555~2655
Frequency
1575.42± 1.023
1597.5~1605.8
1561.098± 2.046
Requirements
Frequency range: 1561MHz~1615MHz
Polarization: RHCP or linear
VSWR: <2 (Typ.)
Passive antenna gain: >0dBi
Active antenna noise figure: <1.5dB
Active antenna gain: >-2dBi
Active antenna embedded LNA gain: 20dB (Typ.)
Active antenna total gain: >18dBi (Typ.)
VSWR: ≤2
Gain (dBi): 1
Confidential / Released
EM05 Hardware Design
1880~1920
2300~2400
2555~2655
Unit
MHz
MHz
MHz
LTE Module Series
MHz
MHz
MHz
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