>> 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)