Tunnel transmitter
id:
tunnel-transmitter-309-5887490
title:
Tunnel transmitter
text:
A tunnel transmitter allows wireless reception in tunnels. It consists of a receiving antenna which receives the signal to be radiated in the tunnel, and a transmitting antenna installed in the tunnel, which is either a Yagi antenna or a line antenna. In principle, a tunnel transmitter can work purely passively, in which case the received signal is passed over a cable to the antenna in the tunnel. Active systems, however, are more often used. In some cases the radio frequency inside the tunnel i
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Tunnel_transmitter
date created:
date modified:
2023-09-01T18:16:11Z
main entity:
{"identifier":"Q2460115","url":"https://www.wikidata.org/entity/Q2460115"}
image:
fields total:
13
integrity:
13