Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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lcoe
 
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Default Cordless Phone Frequency Question

C. Stahl wrote:
[....]
My question is concerning two cordless phones that I have in my home
on two different phone lines. I currently have two 2.4Ghz cordless
phones, one an AT&T for my home line and one a Panasonic for a
business line. I have experienced that, when using the AT&T phone, if
a call comes in on the Panasonic, the call on the AT&T phone becomes
unintelligible (sounds like a bad cell phone connection). I haven't
had occasion where the calls have come in the reverse order, so I'm
not sure if the Panasonic behaves the same way.


I'm considering replacing the Panasonic 2.4Ghz, so I would then have
one AT&T 2.4Ghz and one AT&T 5.8Ghz.


Does anyone know whether having the two different phones on different
frequency ranges (as opposed to my current phones which both operate
at 2.4Ghz) would eliminate this interference when I have simultaneous
calls? Any advice would be appreciated. Thanks in advance. cmstahl


it should solve your problem, but be sure whatever phone you do get
has DSS, regardless of frequency. you may find a 900mhz DSS still,
this is the longest range phone ever produced, the comming "standards"
are from moderately shorter to less than 1/2 the that range, but offer
clearer channels.

i replaced my Vtech 900mhz DSS system (two phones on single base) with
a new 2.6gDSS unit. it has about 1/2 the range. the 5.2gDSS promise
better ranges but need lithium batteries. my old and new systems
both use ni-cads, and have long operating/stanby times (days).

Uniden's web site has a good page comparing the various freq phones.
the Vtech will not be scrapped, it is just too good to toss. may
sell or give to a relative, but will wait until i am sure about the
new system (lots of new features which inspired the upgrade). --Loren

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Jerry G.
 
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Default Cordless Phone Frequency Question

The frequency bands allocated for cordless phones is limited. The
frequencies are divided up in to channels. The better models are
supposed to do a frequency check to see the best channel or exact
frequency to use that is not occupied.

I have 2 Panasonic 2.4 gHz phones and 2 others that are 900 mHz phones.
They can all be used, and not interfere with each other. Infact, I am in
a high-rise building and many people here have these phones.

I tried some of the lower cost phones, and found that I had interference
problems. I had to opt out for the more expensive models to get rid of
this problem. This has to do with how they manage their frequency
allocation when addressed to be used.


--

Greetings,

Jerry Greenberg GLG Technologies GLG
==============================================
WebPage http://www.zoom-one.com
Electronics http://www.zoom-one.com/electron.htm
Instruments http://www.zoom-one.com/glgtech.htm
==============================================
"C. Stahl" wrote in message
m...
All --

Apologies if this is the wrong NG for this inquiry, but despite having
done some searches, was unable to find a more appropriate one. If
there is a more appropriate group, plse advise.

My question is concerning two cordless phones that I have in my home
on two different phone lines. I currently have two 2.4Ghz cordless
phones, one an AT&T for my home line and one a Panasonic for a
business line. I have experienced that, when using the AT&T phone, if
a call comes in on the Panasonic, the call on the AT&T phone becomes
unintelligible (sounds like a bad cell phone connection). I haven't
had occasion where the calls have come in the reverse order, so I'm
not sure if the Panasonic behaves the same way.

I'm considering replacing the Panasonic 2.4Ghz, so I would then have
one AT&T 2.4Ghz and one AT&T 5.8Ghz.

Does anyone know whether having the two different phones on different
frequency ranges (as opposed to my current phones which both operate
at 2.4Ghz) would eliminate this interference when I have simultaneous
calls?

Any advice would be appreciated. Thanks in advance.

cmstahl


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jakdedert
 
Posts: n/a
Default Cordless Phone Frequency Question

I've got 900 mHz phones exclusively (except for one old 49'er). They rarely
interfere with one another, much less a 2.4 gig unit. The only time I might
have a problem is if I'm *holding* one unit when a call comes in on the
other. IMO, the 2.4 gig band is a wasteland, with more devices piling up on
it all of the time.

Surprisingly enough, the old 49 mHz band is quiet and relatively
unpopulated--now that everyone has moved 'up.' My old phone works as well
or better than the 900's. I retired it when things got too crowded 'down
there.' Then I needed a phone; dug that one out, located a new bat pack for
it, and voila'!

jak

"Jerry G." wrote in message
...
The frequency bands allocated for cordless phones is limited. The
frequencies are divided up in to channels. The better models are
supposed to do a frequency check to see the best channel or exact
frequency to use that is not occupied.

I have 2 Panasonic 2.4 gHz phones and 2 others that are 900 mHz phones.
They can all be used, and not interfere with each other. Infact, I am in
a high-rise building and many people here have these phones.

I tried some of the lower cost phones, and found that I had interference
problems. I had to opt out for the more expensive models to get rid of
this problem. This has to do with how they manage their frequency
allocation when addressed to be used.


--

Greetings,

Jerry Greenberg GLG Technologies GLG
==============================================
WebPage http://www.zoom-one.com
Electronics http://www.zoom-one.com/electron.htm
Instruments http://www.zoom-one.com/glgtech.htm
==============================================
"C. Stahl" wrote in message
m...
All --

Apologies if this is the wrong NG for this inquiry, but despite having
done some searches, was unable to find a more appropriate one. If
there is a more appropriate group, plse advise.

My question is concerning two cordless phones that I have in my home
on two different phone lines. I currently have two 2.4Ghz cordless
phones, one an AT&T for my home line and one a Panasonic for a
business line. I have experienced that, when using the AT&T phone, if
a call comes in on the Panasonic, the call on the AT&T phone becomes
unintelligible (sounds like a bad cell phone connection). I haven't
had occasion where the calls have come in the reverse order, so I'm
not sure if the Panasonic behaves the same way.

I'm considering replacing the Panasonic 2.4Ghz, so I would then have
one AT&T 2.4Ghz and one AT&T 5.8Ghz.

Does anyone know whether having the two different phones on different
frequency ranges (as opposed to my current phones which both operate
at 2.4Ghz) would eliminate this interference when I have simultaneous
calls?

Any advice would be appreciated. Thanks in advance.

cmstahl





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