Quectel EG915U-EU - Requirements for Antenna Design; RF Connector Recommendation

LTE Standard Module Series
EG915U-EU_Hardware_Design 60 / 81
5.3. Requirements for Antenna Design
Table 31: Requirements for Antenna Design
5.4. RF Connector Recommendation
If RF connector is used for antenna connection, it is recommended to use U.FL-R-SMT connector
provided by Hirose.
Figure 32: Dimensions of U.FL-R-SMT Connector (Unit: mm)
U.FL-LP serial connectors listed in the following figure can be used to match the U.FL-R-SMT.
Antenna Type
Requirements
GSM/EVDO/CDMA/UMTS/TD-SCDMA/LTE
VSWR: ≤ 2
Efficiency: > 30 %
Max input power: 50 W
Input impedance: 50 Ω
Polarization: Vertical
Cable insertion loss: < 1 dB
(< 1 GHz)
Cable insertion loss: < 1.5 dB
(1~2.3 GHz)
Cable insertion loss: < 2 dB
(2.3 GHz)