User's Manual

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LTE Module
EC25-A User Manual
EC25-A_User_Manual Confidential / Released 50 / 7
5.3. Antenna Installation
5.3.1. Antenna Requirement
The following table shows the requirements on main antenna, Rx-diversity antenna and GNSS antenna.
Table 26: Antenna Requirements
Type
Requirements
GNSS
Frequency range: 1561 - 1615MHz
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/WCDMA/LTE
VSWR: ≤ 2
Gain (dBi): 1
Max Input Power (W): 50
Input Impedance (ohm): 50
Polarization Type: Vertical
Cable Insertion Loss: < 1dB
(GSM900, WCDMA B5/B8,LTE B5/B8/B12/B13/B20/B28-A/B28-B)
Cable Insertion Loss: < 1.5dB
(GSM1800, WCDMA B1/B2/B4/,LTE B1/B2/B3/B4)
Cable insertion loss < 2dB
(LTE B7/B38/B40/B41)
5.3.2. Install the Antenna with RF Connector
The following figure is the antenna installation with RF connector provided by HIROSE. The
recommended RF connector is UF.L-R-SMT.