Out-of-band
In telecommunications, out-of-band activity is activity outside a defined frequency band, or, metaphorically, outside of any primary communication channel. Protection from falsing is among its purposes.
In telecommunications, out-of-band activity is activity outside a defined frequency band, or, metaphorically, outside of any primary communication channel. Protection from falsing is among its purposes.
In telecommunications, out-of-band activity is activity outside a defined frequency band, or, metaphorically, outside of any primary communication channel. Protection from falsing is among its purposes.
Source: Wikipedia "Out-of-band" · CC BY-SA 4.0
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