booster station vs relay transmitter

booster station and relay transmitter both are nouns.

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

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

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

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

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