> Theo,
>
> Thank you so much for the wireless stack improvements in OpenBSD 6.5.
>
> I would though like you to focus on Radio Frequency attacks rather than
> just code.
>
I'm not asking you to become an RF Engineer lol....
> Everything we use to communicate starts off generating RF signals whether
> it be your telephone, cell phone, radio, Bluetooth, speakers, etc. Without
> RF the world be alot safer lol.
>
> Now the question is can I change the frequency wave patterns to establish
> different downlink and uplink data streams to benefit what ever I want to
> do ? To hack..
>
> Unfortunately yes, formula for error free data calculations over radio
> waves with ( noise factored in)...
>
> Look at the following:
>
> To calculate this you can use the Shannon–Hartley theorem
> <https://en.wikipedia.org/wiki/Shannon%E2%80%93Hartley_theorem>.
>
> C=Blog2(1+SN)C=Blog2(1+SN)
>
> where
>
> C is the channel capacity in bits per second;
> B is the bandwidth of the channel in hertz (passband bandwidth in case of
> a modulated signal);
> S is the average received signal power over the bandwidth (in case of a
> modulated signal, often denoted C, i.e. modulated carrier), measured in
> watts (or volts squared);
> N is the average noise or interference power over the bandwidth, measured
> in watts (or volts squared);
> and S/N is the signal-to-noise ratio (SNR) or the carrier-to-noise ratio
> (CNR) of the communication signal to the Gaussian noise interference
> expressed as a linear power ratio (not as logarithmic decibels)
>
> I'm sure your genius mind will think of something...
>
> Cheers,
>
> Caleb Squires - VE3UPK
> RF Engineer
>
