repeater vs electronic device

repeater and electronic device both are nouns.

Word	Noun	Adjective	Verb	Adverb
repeater	Yes	No	No	No
electronic device	Yes	No	No	No

As nouns, electronic device is a hypernym of repeater; that is, electronic device is a word with a broader meaning than repeater:

repeater: (electronics) electronic device that amplifies a signal before transmitting it again
electronic device: a device that accomplishes its purpose electronically

repeater (noun)	electronic device (noun)
a firearm that can fire several rounds without reloading	a device that accomplishes its purpose electronically
(electronics) electronic device that amplifies a signal before transmitting it again
a person who repeats
someone who is repeatedly arrested for criminal behavior (especially for the same criminal behavior)