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.