Requirements For Antenna Design; Rf Connector Recommendation - Quectel EG915U-EU Manual

5.3. Requirements for Antenna Design

Table 31: Requirements for Antenna Design
Antenna Type
GSM/EVDO/CDMA/UMTS/TD-SCDMA/LTE

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.
EG915U-EU_Hardware_Design
LTE Standard Module Series
Requirements
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)
60 / 81