 ##  [Spectral Efficiency](/index.php/spectral-efficiency) 

  ##  [Spectral Efficiency](https://information.quantumdictionary.io/spectral-efficiency-0) 

  
 [![Information & Communication Dictionary](/sites/default/files/styles/large/public/2026-01/Information%20%26%20Communication.png.webp?itok=g4emS-T7)](/index.php/topic-specific-dictionaries/information-communication)


**Information &amp; Communication Dictionary**

 
Definition

A measure of how much information (typically in bits per second) is transmitted per unit of spectral bandwidth (typically per hertz) over a communication channel; commonly expressed as bits/s/Hz for a specified signaling scheme, channel conditions, and measurement bandwidth.