Cordless Phone

[fuzzyscanner]

Is there such thing as a cordless phone that is impossible to receive on a scanner?? If so what
freq would it run at???

 

[Mick]

Any of them with Digital Spread Spectrum are not able to be received by scanners.
http://electronics.howstuffworks.com/question326.htm

I just saw some at Amazon.com for $30.

 

[SCPD]

try 46-49 & also 903-928 MHZ
A;so Illegal to listen to

 

[MaxMan1986]

try 46-49 & also 903-928 MHZ
A;so Illegal to listen to

Illegal to listen to doesn't mean impossible to listen to. And do they even sell 49 MHz phones anymore?

 

[Mainsail]

...do they even sell 49 MHz phones anymore?

I was going to ask the same question. Baby monitors are still on 49 MHz.

 

[BaLa]

some of the real cheap ones are on 49mhz..


Most Common ones now are prolly 900.

 

[SCPD]

believe it or not they are still being used, couple weeks ago I was searching late at night & found 1 in this neighborhood, & could hear both sides of the conversation, handset & base sides, both frequencies!

 

[MaxMan1986]

believe it or not they are still being used, couple weeks ago I was searching late at night & found 1 in this neighborhood, & could hear both sides of the conversation, handset & base sides, both frequencies!

I had one that finally stopped working about 2 years ago. It was the first cordless phone I ever owned. Now every phone in my house is cordless.

 

[57Bill]

As pointed out in numerous previous threads, most of the phones under $80 or so still use 900 MHz for the base. Search 924 to 926 MHz and find loads of them. They will sound a little off frequency in narrow band fm. and appear to have negative modulation.

 

[EFjohnsonVHF]

Any of them with Digital Spread Spectrum are not able to be received by scannersc

I heard that with some sort of "PCI card" you could listen to those-I didn't believe it, So I figured I would ask here.

 

[fuzzyscanner]

There problem

they don't realize they can be herd it is not my fault.

 

[kb2vxa]

"...(I) could hear both sides of the conversation, handset & base sides, both frequencies!"

You only need the base frequency, it repeats the hand held unit to provide side tone like any other telephone.

"they don't realize they can be herd it is not my fault."

Just don't tell them unless you want to find yourself in a fuzzy situation. (;->)

 

[fuzzymoto]

Just don't tell them unless you want to find yourself in a fuzzy situation. (;->)

And just what is wrong with a "fuzzy situation!?" ;}

 

[Tom_G]

The DECT 6.0 phones are digital and can't be monitored.
They operate on 1.9 GHz.

 

[Skypilot007]

All my cordless phones are 4.5GHz spread spectrum. I'm not worried about the local kids with scanners listening anymore.

 

[stevecubfan]

try 46-49 & also 903-928 MHZ
A;so Illegal to listen to

46.610 TO 46.970 when they were in use were for both sides of the conversation . 49 mhz you could only here the party closest to you.

 

[fuzzyscanner]

Thanks for all the info. I'm wondering How far can cordless phones receive?

 

[kc8gpd]

All my cordless phones are 4.5GHz spread spectrum. I'm not worried about the local kids with scanners listening anymore.

are they type accepted??? 4.5GHz is a Public Safetly Band here in the USA. it's going to be used by WiMax for wide area data applications by municipal authorities. sure you don't mean 2.4GHz? the Part 15 Bands are 900 MHz, 1.9 GHz, 2.4 GHz, 5.8 GHz, and i beleive we are getting a secondary allocation around 3.5 GHz sometime in the near future.

 

[kc8gpd]

Hmmm, guess i'm wrong there is an allocation there...

4.4-4.5 GHz

Intermittent Control Signals 12,500 µV/m@ 3 mA 15.231

Periodic Transmissions 5,000 µV/m@ 3 mA 15.231

Any 500 µV/m@ 3 mA 15.209

some how i don't see 500uV/M @ 3m on 4.5 GHz doing very well even in the same house.

 

[WA1CRZ]

I have a wok and a universal remote that can pick up space shuttle transmissions