[MLB-WIRELESS] Antenna Co-ax

Robert Tchia robert.tchia at palantir.com.au
Mon May 27 23:14:18 EST 2002


Tony,

Have a look at this http://www.wireless.org.au/tib/offer/view.php?id=13
According to Glenn this is the best for long cable run. He should be
able to help and he sells them by the meter.



Cheers
Rob

> -----Original Message-----
> From: owner-melbwireless at wireless.org.au [mailto:owner-
> melbwireless at wireless.org.au] On Behalf Of evilbunny
> Sent: Monday, 27 May 2002 8:38 PM
> To: Melb Wireless
> Subject: Re: [MLB-WIRELESS] Antenna Co-ax
> 
> Hello Tony,
> 
> The difference between them is loss per metre, usually the thicker the
> cable, the less loss it has...
> 
> I'm not sure of the loss of "thick ethernet" maybe you should ask your
> friend, however...
> 
> MOst places indicate CNT400 is 20dBm per 100m and LMR 400 is 22dBm per
> 100m at 2400Mhz...
> 
> If memory serves me correct (too lazy to go confirm) LMR 600 is about
> 14dBm per 100m, and LMR 900 is about 9dBm per 100m
> 
> Obviously the thicker the cable you will need connectors to suit and
> this is also at an increased cost...
> 
> I think connectors for CNT600 were about $50/end...
> 
> --
> Best regards,
>  evilbunny
mailto:evilbunny at sydneywireless.com
> 
> http://www.SydneyWireless.com - Exercise your communications
> freedom to make it do what you never thought possible...
> 
> Monday, May 27, 2002, 7:49:28 PM, you wrote:
> 
> 
> TS> I'm about to "go-live" and need to place my antenna approximately
15
> metres
> TS> from my PC.
> 
> TS> Can anyone tell me what the options are for co-ax, pros and cons
for
> the
> TS> different varieties and a reasonable place to source cut lengths
from,
> I
> TS> don't want to buy a 100 metre roll which is what the local
wholesaler
> wants
> TS> me to do.
> 
> 
> TS> My only other alternative is to use a chink of leftover "thick
> Ethernet"
> TS> that I've recently pulled out of a building. A mate who used to be
a
> radio
> TS> tech in the RAAF reckons that this would be perfect, but I'm not
sure
> he
> TS> knows as much as he thinks he does.
> 
> TS> Any advice please?
> 
> 
> 
> TS> Cheers
> 
> TS> Tony Smith
> 
> TS> Connected to the internet in Sunny Far North Queensland Australia
> TS> http://www.tonsyl.org
> 
> 
> 
> 
> 
> 
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> 
> 
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