Re: Wireless Router onboard a modern Ship
- From: "aljuhani" <private.mailbox@xxxxxxxxx>
- Date: 22 Nov 2005 10:27:15 -0800
Jeff Liebermann wrote:
> On 22 Nov 2005 07:01:20 -0800, "aljuhani" <private.mailbox@xxxxxxxxx>
> >We have a ship with a communication computer in the Bridge (Wheel
> >House) and need to connect the Captain's office directly to that
> >computer as it is not part of the LAN network.
> >There is of course a possibility to use wires but that is not what we
> >are thinking of now as the Master office is two deck levels below the
> >The question is: how wireless signal would behave inside a ship (steel
> >structure) accomedation and will there be some interference with other
> >communcations equipments such as Walki-Talkis, SatCom, VHF etc. ?
> The steel vessel will act as a solid barrier to 2.4Ghz. RF will not
> penetrate in any way. If you find that there is a path by bouncing
> around the stair wells, it will not be reliable and stable. Even if
> you arrange a direct shot, the reflections from the bulkheads will
> cause multipath problems. I would strongly suggest you run the
> appropriate cables.
> As for interefernce, it will not come from the 2.4Ghz signal. It will
> be the usual clock oscillators radiating to the HF or to the VHF on
> harmonics. They're low power and no worse than clocks, calculators,
> or fax machines that radiate RF. The only way to determine if there
> will be a problem is to try it. The good news is that you probably
> won't have any interference from other 2.4GHz systems while at sea,
> but will probably find it useless in port as everyone seems to be
> using 2.4Ghz wireless to get internet access from the dock to the
Thank you to all and to Jeff, I knew I will be getting a detailed
Jeff as always thanks.
Well the idea just came up in trying to find a quick solution but now I
have to go for wired connection.
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