Product Info

LTE Module Series
EG25-G Mini PCIe Hardware Design
EG25-G_Mini_PCIe_Hardware_Design 29 / 48
3.9. Antenna Interfaces
EG25-G Mini PCIe antenna interfaces include a main antenna interface, an Rx-diversity antenna interface
and a GNSS antenna interface. Rx-diversity function is enabled by default.
3.9.1. Antenna Requirements
The following table shows the requirements on main antenna, Rx-diversity antenna and GNSS antenna.
Table 14: Antenna Requirements
Type
Requirements
GNSS
Frequency range: 1559MHz~1609MHz
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.)
GSM/UMTS/LTE
VSWR: ≤ 2
Gain: 1dBi
Max Input Power: 50W
Input Impedance: 50Ω
Polarization Type: Vertical
Cable Insertion Loss: < 1dB
(GSM850, EGSM900, WCDMA B5/B6/B8/B19, LTE B5/B8/B12/B13/
B18/B19/B20/B26/B28)
Cable Insertion Loss: < 1.5dB
(DCS1800, PCS1900, WCDMA B1/B2/B4, LTE B1/B2/B3/B4/B25/B39)
Cable insertion loss: < 2dB
(LTE B7/B38/B40/B41)