Re: [WISPA] Cordless Phone Ring Interference

No idea what model.  I will offer them a phone next week, at least one 
to try and see what happens.

On 12/28/2011 5:33 AM, Bret Clark wrote:
> What model phone is it anyway? Noise floor would have to get pretty high
> to knock the signal out completely, unless you have poor fade margin to
> begin with.
>
> On 12/27/2011 09:35 PM, Gary Garrett wrote:
>> Yeah, I am sure there is a huge amount of data transferred in the wake
>> up command.
>> command is probably just all 0's or all 1's like the old frame relay
>> connections use to tell the other end to loop back.
>> The actual talk data is only 32k or so both ways 1/2 duplex.
>> Multi line phones would need to get a lot of info from the base about
>> what is about to happen, what lights to lite up etc.
>>
>> I have looked at cordless phones on a spectrum analyzer and the are way
>> Spread spectrum, not really a channelized thing. No big power spike but
>> a very low and wide waveform.
>>
>> Definitly go for the DECT.
>>
>>
>>
>> On 12/27/2011 6:15 PM, Josh Luthman wrote:
>>> What I'm getting at is what initiates the ring.  The copper pair hits
>>> the base unit and then tells all the handsets in the house to ring.
>>> I'm suggesting that this is 2.4 and what causes the SM's problem.
>>>