Quectel EC2 Series User Manual

LTE Module Series
EM05 Hardware Design
EM05_Hardware_Design Confidential / Released 42 / 59
B39
1880~1920
1880~1920
MHz
B40
2300~2400
2300~2400
MHz
B41
2555~2655
2555~2655
MHz
5.2. GNSS Antenna Interface
The following table shows frequency specification of GNSS antenna interface.
Table 20: GNSS Frequency
Type
Frequency
Unit
GPS/Galileo/QZSS
1575.42±1.023
MHz
GLONASS
1597.5~1605.8
MHz
BeiDou
1561.098±2.046
MHz
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
Requirements
GNSS
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.)
WCDMA/CDMA/LTE
VSWR: ≤2
Gain (dBi): 1
Quectel
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Quectel EC2 Series Specifications

General

Brand	Quectel
Model	EC2 Series
Category	Control Unit
Language	English