relay transmitter vs relay station

relay transmitter and relay station both are nouns.

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

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

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

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

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