Hi, I know the bands, but I just now am wondering about coverage. I do not
have terrain issues to worry about
----- Original Message -----
From: "Colin McDonald" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, April 19, 2005 11:21 AM
Subject: Re: OT cordless phone range question
> cordless phones:
> There are currently four popular north american frequency ranges for
> cordless phones:
> 45-49 MHZ
> 900MHZ (not sure the band spread)
> 2.4GHZ (again not sure band spread)
> 5.8GHZ (these band spreads can be found i have no doubt by doing a google
> for cordless phone frequencies)
>
> They all have similar ranges bassed on different variables such as
> manufacturer, quality of components, the area you are in weather there is
> allot of other traffic on the same frequency spectrum or allot of RF
> interpherence causing reduced range.
> Most 900, 2.4gig and 5.8 gig phones have a range of perhaps a few blocks
> in
> any given direction as long as there are no obstructions and the bass
> transmitting section and antenna are located in a relatively obstruction
> free area.
> The rf power output of these units is very minimal, in the range of 10/25
> milliwatts or a tenth to a 25th of a watt. You can increase your range by
> installing a home made or camercially availible antenna for the bass
> transmitter/receiver as long as the bass will accept a external antenna
> jack
> somehow.
> Most are built with the antenna nearly integral to the design of the
> phone,
> but sometimes you can get bass units with an antenna that has a mini-SMA
> or
> mini BNC type connecter on the antenna much like many wireless routers
> have.
> A good all around stable range that you should always get is about 200
> yards
> out of any cordless phone you buy, if you cheap out though and go for the
> cheapest thing on the shelf you are going to get terribly low efficiency
> and
> much reduced range. Go for the mid priced phones made by panasonic, sony,
> uniden and other top brands.
> In cordless phones the length of the antenna has little bearing on range,
> some of the 2.4 ghz and 5.8 ghz phones have no externally visible antenna
> on
> the handset. You will see similar designs in cellular telephones and
> these
> work just as well as the phones with the 3 inch stub on them.
> The phone you may have had back in college dependant upon how long ago was
> a
> 46MHZ cordless...these offten had pretty good range especially the uniden
> phones. This was because they do depend on antenna gain and the larger
> the
> manufacturer made the antenna the better they got out...usually though the
> antenna length was sacrificed for cosmedic purposes, looks in other words,
> a
> long antenna isn't very nice to have if you arent a ham or hobbiest.
> Anyway i think that might help im not sure.
> 73
> Colin, VA6BKX
> ----- Original Message -----
> From: "Jeff Kenyon" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, April 19, 2005 6:56 AM
> Subject: Re: OT cordless phone range question
>
>
>> Hi everyone, the phone I got in college that I am thinking of replacing
>> had amazing range in college, and when at my grandomther's house and this
>> and my location now is relatively flat. It is a 900 MHz phone, but I
>> can't get the range to improve here, and I have put it in a great
>> location
>> for RF transmisions, up stairs close to a window, but in the dorm I
>> couldn't put it near a window, and got great coverage on it. I know that
>> C. Crane had one that there was a record of a few miles with it. I can't
>> recall the brand of it now though.
>>
>>
>>
>>
>>
>> On Tue, 19 Apr 2005, John Miller wrote:
>>
>> > I have a uniden 5.8 GHz cordless phone and I can get at least as good
>> > if
> not
>> > better range than any other we've had here, it won't go around my
>> > block,
> but
>> > my block is 6.3 miles around, but I can go anywhere in my back yard
>> > with
> no
>> > issues and that's pretty big and the base stand is in 1 of the worst
> places
>> > in my house for RF signals so I could probably move it and get a lot
> better
>> > even if I tried. Mine is 1 of the digital ones too, I got it on
>> > www.amazon.com.
>> > ----- Original Message -----
>> > From: "Jeff Kenyon" <[log in to unmask]>
>> > To: <[log in to unmask]>
>> > Sent: Tuesday, April 19, 2005 8:42 AM
>> > Subject: Re: OT cordless phone range question
>> >
>> >
>> > I'll have to think about that. What have others seen as far as range
> goes
>> > in a cordless phone?
>> >
>>
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