relay transmitter vs booster station

relay transmitter and booster station both are nouns.

Word	Noun	Adjective	Verb	Adverb
relay transmitter	Yes	No	No	No
booster station	Yes	No	No	No

As nouns, relay transmitter and booster station are synonyms defined as:

relay transmitter and booster station: an amplifier for restoring the strength of a transmitted signal

Other synonyms of relay transmitter include booster, booster amplifier, relay link, relay station.

relay transmitter (noun)	booster station (noun)
an amplifier for restoring the strength of a transmitted signal	an amplifier for restoring the strength of a transmitted signal