telecommunication equipment vs telecom system

telecommunication equipment and telecom system both are nouns.

Word	Noun	Adjective	Verb	Adverb
telecommunication equipment	Yes	No	No	No
telecom system	Yes	No	No	No

As nouns, telecommunication equipment and telecom system are synonyms defined as:

telecommunication equipment and telecom system: a communication system for communicating at a distance

Other synonyms of telecommunication equipment include telecom equipment, telecommunication system.

telecommunication equipment (noun)	telecom system (noun)
a communication system for communicating at a distance	a communication system for communicating at a distance