LTE Standard Module Series
EC200U_Series_Hardware_Design 65 / 94
For more details about RF layout, please refer to
document [3]
4.4. Antenna Installation
4.4.1. Antenna Requirement
The following table shows the requirements of main antenna.
Table 39: Antenna Requirements
4.4.2. Recommended RF Connector for Antenna Installation
If RF connector is used for antenna connection, it is recommended to use U.FL-R-SMT connector
provided by Hirose.
Type
Requirements
GNSS
Frequency range: 1559
–1609 MHz
Polarization: RHCP or linear
VSWR: < 2 (typ.)
Passive antenna gain: > 0 dBi
Active antenna noise factor: < 1.5 dB
Active antenna gain: > 0 dBi
Active antenna internal LNA gain: < 17 dB
GSM/LTE
VSWR:
≤ 2
Efficiency: > 30 %
Max input power: 50 W
Input impedance: 50 Ω
< 1 dB: LB (< 1 GHz)
< 1.5 dB: MB (1
–
2.3 GHz)
< 2 dB: HB (> 2.3 GHz)