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<p>Encryption itself isn't expensive at all. You use the same
radios, in fact a lot of St John radios are already TP9400 and
TM9400s, new builds are all getting the new radios. They will
need to purchase a trunking key per radio to use the new network,
but that can be added later on when the new codeplug is uploaded
to the radio.<br>
</p>
<p>I haven't done encryption on any Tx9400s, but for TM/TP93 and
MotoTRBO radios, to encrypt is literally about 5 more seconds of
work for the programmer. Now if they use fancy high end
encryption, then you use a keyloader which is a hardware device.</p>
<p>Fire will potentially have a harder time, due to the way the
vehicle wiring is installed... The story I was told is that it's
cheaper for them to repair the T2000 based equipment than to swap
each vehicle over to TM8200s (changing from an 8200 to a 9400 is
straightforward as you only need to replace the head and the body
- the remote cable in between is the same)<br>
</p>
Reports I've read is that NGCC will be RF, Cellular and satellite
based, however will need to be compatible with the existing P25
network in use in Auckland, Wellington and Christchurch.
<div class="moz-cite-prefix">On 18/06/2020 13:53, Darryl Healy
wrote:<br>
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<blockquote type="cite"
cite="mid:CAJhYOQYpTtisPRts2a1ocgM7BSnOhBCUMbb-c1EHawdhnuuZ=Q@mail.gmail.com">
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<div dir="auto"><a
href="https://www.tvnz.co.nz/one-news/new-zealand/radio-network-used-emergency-services-predicted-fail-2023"
moz-do-not-send="true">https://www.tvnz.co.nz/one-news/new-zealand/radio-network-used-emergency-services-predicted-fail-2023</a>
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<div dir="auto">Could this be something like terrestrial trunked
radio or something more IP based? </div>
<div dir="auto">I doubt ambos and fire would go down the
expensive ENCRYPTED route, sounds like a larger more secure
cellular mobile based system? </div>
</div>
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