olemus
ISO/IEC 2382:
modulatsiooniga muutmata sagedusriba, mille hõivab üks signaal või multipleksitud signaalide kogum
= a frequency band occupied by one signal, or by a set of multiplexed signals, that have not been changed by modulation

ülevaateid
https://en.wikipedia.org/wiki/Baseband
https://www.quora.com/What-is-baseband-signal
https://www.quora.com/What-is-baseband-communication-and-broadband-communication
https://en.wikiversity.org/wiki/Baseband_Modulation/Demodulation_techniques

vt ka
- lairiba
- põhiribaedastus