Smart Module Series
SC690A_Series_Hardware_Design 87 / 105
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5.6. RF Connector Recommendation
If you use RF connector for antenna connection, it is recommended to use the U.FL-R-SMT connector
provided by
HIROSE
.
Active antenna embedded LNA gain: 17 dB
GSM/EVDO/CDMA/UMTS/TD-SCDMA/LTE
VSWR:
≤ 2
Efficiency: > 30 %
Gain: 1 dBi
Max input power: 50 W
Input impedance: 50 Ω
Polarization: Vertical
Cable insertion loss:
< 1 dB:
LB (<1 GHz)
<
1.5 dB:
MB (1
–2.3 GHz)
< 2 dB:
HB (> 2.3 GHz)
Wi-Fi/Bluetooth
VSWR: ≤ 2
Gain: 1 dBi
Max Input Power: 50 W
Input Impedance: 50
Ω
Polarization Type: Vertical
Cable Insertion Loss: < 1 dB
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.
NOTE
