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- Newsgroups: uk.telecom
- Path: sparky!uunet!unipalm!keith
- From: keith@unipalm.co.uk (Keith Mitchell)
- Subject: Re: Cordless Phones - recommendation wanted
- Message-ID: <1992Nov18.122011.429@unipalm.co.uk>
- Keywords: cordless CT2
- Organization: Unipalm Ltd., 216 Cambridge Science Park, Cambridge CB4 4WA, UK
- References: <1ed5n2INNl1r@violet.csv.warwick.ac.uk>
- Distribution: uk
- Date: Wed, 18 Nov 1992 12:20:11 GMT
- Lines: 43
-
- cudac@csv.warwick.ac.uk (Tim Clark) writes:
-
- >Any recommendations as to what type of cordless phone would work best?
- >I imagine the typical `100m under ideal conditions' would be severly
- >limited by all the concrete, steel and computers we have around.
-
- >Are the CT2-based type likely to perform better? If so which cordless
- >phones use this?
-
- My experience with my Rabbit (the only cordless phone that uses CT2
- you can buy I am aware of), is that you are unlikely to get the
- claimed 100m range from a private base station. I have found the
- only way you can get 100m or greater range is if:
-
- - You are using a public base station
- - You have line of sight to the aerial (no obstructions)
- - The public base station is of the type that has a ~0.5m long size
- aerial. The smaller ones in little white triangular covers
- (common on stations) have nowhere near 100m range.
-
- You may get 56m range inside the same building using a private base
- station, I would expect you would have to put it on the top floor,
- and it will depend on what your building is made of. About 40m is
- the best I have got from my private base with neighbouring houses in
- the way. I haven't tried using the Rabbit in an electrically noisy
- environment, but there no interference between it, my PC (SVGA) and
- TV/VCR in my room.
-
- >What is the practical limit to the number of cordless phones that can
- >operate in an office block? - I've never seen details of the number
- >of frequency bands available for this use.
-
- Rabbits support 10 handsets per base, I don't know if this is a restriction
- of the hardware of the CT2 CAI standard. I think CAI defines 40 channel slots,
- which would be the upper limit on conversations in one area.
-
- Keith Mitchell Network Manager
-
- Public IP Exchange keith@pipex.net
- 216 The Science Park keith@unipalm.co.uk
- Cambridge, UK keith@uk.co.pipex (non-IP JANET sites)
- Phone: +44 223-424616
- Fax: +44 223-426868
-