[lanse] Re: Wireless networking

  • From: Jason Halls <jason.halls@xxxxxxxxxxxxx>
  • To: "'list@xxxxxxxxxxx'" <list@xxxxxxxxxxx>
  • Date: Wed, 17 Apr 2002 12:45:54 +0100

As an alternative . . . (you need a friend for this)

I read somewhere about running your own mini network over BT lines. . . =

All you had to do was rent a "dry line" from BT (=A315.00 per month =
between 2 buildings, stick an adsl modem on either end, configure it =
away you go.

I think there may be some limitations with distance. . But not too =

(going to find out where I found this now)


-----Original Message-----
From: Chris W [mailto:chris@xxxxxxxxxxxxxxx]=20
Sent: 17 April 2002 12:46
To: list@xxxxxxxxxxx
Subject: [lanse] Re: Wireless networking


There must be some downconversion being done in the 'aerial' then I =
guess as
getting anything over about 500MHz down RG58 is like getting a piano =
down a
flight of stairs, especially with the cable lengths needed to get from =
roof aerial to a internal reciever.  Plus I seem to remember it goes =
BNC plugs which are crap at high frequency aswell.

I heard it was up on 3GHz somewhere - do you know the exact freq?

Pity I don't know anyone in the technical department who might lend me =
setup for a few weeks - I'm sure that aerial must be crap and could be
modified into a dish type affair.  Guess you don't have any technical =
about the system do you?



Next LAN-Speed Event - 26-28th April.  www.LAN-Speed.co.uk

> -----Original Message-----
> From: list@xxxxxxxxxxx [mailto:list@xxxxxxxxxxx]On Behalf Of Michael=20
> Knowles
> Sent: 17 April 2002 09:21
> To: list@xxxxxxxxxxx
> Subject: [lanse] Re: Wireless networking
> > I had tele2 come and do a line of sight test but they reckoned they
> couldn't
> > get a signal.  I'm on the limit of the Uxbridge transmitter (it's =
> > Hillingdon hospital apparently) plus I live in a bungalow and am
> surrounded
> > by trees.  Not the best situation for tele2 really.  Kind of
> dissapointing
> > as they were my last chance for getting broadband in the near=20
> > future.
> I was almost in the same situation Chris, NTL have cabled the street=20
> adjacent to mine (and it costs 16,000 quid to get them to cable a=20
> street, so can't see that happening in the near future), and BT have=20
> ADSL-enabled my exchange but although i'm only 2.2Km's from the=20
> exchange as the crow flies,
> they've trunk-cabled Bracknell in a very roundabout manner and it
> turns out
> i'm only likely to be about 10Km's as the cable travels :-( so
> Tele2 it was
> (plus lots of money out of the account).
> > I'd be interested in the equipment they use for tele2 - ie things=20
> > like
> what
> > frequency it's on.  It occured to me I might be able to use a
> yagi or even
> a
> > dish to get a better signal.  Doubt tele2 would let me have one of=20
> > their speedboxes to play with though.
> I've got a "speedbox" (sorry, can't help but laugh at that name, it=20
> reminds me of Concorde), which connects to the aerial on the side of=20
> my house via some RG58 cable.  The aerial is basically a small=20
> lunchbox strapped to a pole.
> > Do you know if there is reciever electronics in the 'aerial'?  That
> speedbox
> > thing looked pretty small when I saw it.  Any idea what
> frequency they are
> > on?  Any other kit that can use that frequency?
> I would say there's electronics in both sides of the kit.  The=20
> speedbox is 32x20x6cm, and the aerial lunchbox is only about 50%=20
> smaller than that. The frequency is their own, granted to them by the =

> government, and it's in the GHz wavelength IIRC (I was interviewed =
> the position of Network Manager for Tele2 in Jan - shame I didn't get =

> the job).
> Cheers,
> Mike.

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