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 188 / 221
Strict confidential
4.6.2
RF antennas
RF antennas (GNSS, LTE and LoRa) are connected to the Wirnet iBTS through the N
connectors on the bottom side of the enclosure.
In its default configuration, the standard casing features only 3 N-SMB adapters used as RF
interfaces for the antennas:
1 for GNSS antenna (GPS)
1 for WAN antenna (GSM/HSDPA/LTE)
1 for LoRa antenna.
The N connectors are connected to the modules (CPU, WAN and Lora) through SMB-SMB or
SMB-SMA coaxial cables. The coaxial cables must be carefully checked to make sure the right
RF interface of each module is connected to the right N connector and therefore to the right
antenna.
The N connectors are located as follows:
Figure 136 : nominal configuration of N connectors - standard casing
Therefore, in its nominal configuration, only one N connector is available for a single
antenna.
GPS antenna
LoRa antenna
LTE antenna
