Deletion of Frequency range

Comment: by nominator.  Not every adjective-noun pair is a fit subject for an encyclopedia article; "freqeuncy range" has nothing meaningful to say apart from the context of *which* freqeuncies you're talking about. And the moment you talk about two unrelated fields, you slip into  by synthesizing observations on the usage of the conept unsupported by |sources
Stance: comment
Cited policy: Wikipedia:No original research (WP:OR||WP:RS)