Wirnet iBTS
Document title : Installation and
Maintenance Manual
Version : 2.0
Author : SNI
Date : 04/12/2018
Classification
This document is the strict property of Kerlink and shall not be either copied nor sent without express
written authorization of Kerlink
Internal Use
Kerlink m2m technologies reserved rights
Confidential
Kerlink – 1 rue Jacqueline Auriol – 35235 THORIGNÉ-FOUILLARD
Page 96 / 221
Strict confidential
The frequency response of 862-867MHz cavity filter is as follows:
Figure 52 : Frequency response of the 865-867MHz cavity filter
1.8.3.2
865-870MHz cavity filter
The 865-870MHz cavity filter is typically dedicated to the European market. The purpose of
this filter is to allow co-located LTE800 base stations, in case of poor isolation between
antennas (less than 50dB).
The 865-870MHz cavity filter characteristics are detailed in the following table:
Characteristics
Specification
Center Frequency
867.5 MHz
Pass band
865-870MHz
Insertion losses
≤1dB
Ripple
≤0.5dB
Return Loss
≥20dB
Rejection
≥30dB @ 10-824MHz
≥20dB @ 832-862MHz
≥20dB @ 880-925MHz
≥30dB @ 925-960MHz
≥30dB @ 960-3000MHz
Impedance
50 ohms
Power Handling
≤10W
Temperature
-30°C to+60°C
Connectors
N-Female / N-Male
Waterproof
IP66
Surface Finish
Black Paint
Weight
<650g
Dimensions (w/o N connectors)
100 x 100 x 49 mm
