Kerlink Wirnet iBTS Installation And Maintenance Manual page 61

The following block diagram details the architecture of the front-end board, in a four
modules configuration:
RF1 path
RF2 path
The front-end board integrates two TX and two Rx paths (RF1 path and RF2 path). Each
TX/RX path is connected to one SMB antenna port (RF1 and RF2 respectively).
The front-end board is derived in two different versions to cover the unlicensed bands:
 915MHz (902-928MHz)
 923MHz (915-928MHz)
The details of the frequency bands, channelization, out of band rejection are detailed in
§1.5.4.6.
The following block diagram details the architecture of the front-end board, in a four
modules full-duplex configuration:
Classification
Internal Use
Confidential
Strict confidential
1.5.4.4.2 Front-end board - Four modules
Figure 31: Front-end 4 modules board block diagram
1.5.4.4.3 Front-end board- Four modules Full-Duplex
This document is the strict property of Kerlink and shall not be either copied nor sent without express
Kerlink – 1 rue Jacqueline Auriol – 35235 THORIGNÉ-FOUILLARD
Wirnet iBTS
written authorization of Kerlink
Kerlink m2m technologies reserved rights
Document title : Installation and
Maintenance Manual
Version : 2.0
Author : SNI
Date : 04/12/2018
RF1 antenna
RF2 antenna
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