>> >>> >>>> Thor Lancelot Sim>>>>> I would stay away from the 900Mhz phones for a few reasons. First,
>>>>> the only multi-line phones available in 900Mhz are notoriously
>>>>> unreliable. Second, eavesdropping on many 900Mhz phones, even modern
>>>>> ones, is trivial.
>>>> How does one eavesdrop on a Digital Spread Spectrum (DSS) 900MHz
>>>> cordless phone? I would have thought that with the spreading code
>>>> being changed every time the phone is put into the base, they would be
>>>> essentially uncrackable, like CDMA cell phones.
>>> The phone and the base station have to negotiate the spreading code
>>> used for each session. If you can eavesdrop on that negotiation, you
>>> _can_ predict the frequency hops, rendering it 'trivial' to track as a
>>> third-party listener.
>> Sure, except that the negotiation is typically performed by the base
>> and handset via a wired connection OR at extremely low power (since it
>> only happens when they're physically connected)
> What happens if you turn the handset off, then back on, when it is > _out_ of the base?
Typically they don't work at all until you put them back in the base.