omnidirectional
adjective /ˌɒmnɪdəˈrekʃənl/, /ˌɒmnɪdaɪˈrekʃənl/
/ˌɑːmnɪdəˈrekʃənl/, /ˌɑːmnɪdaɪˈrekʃənl/
(specialist)- receiving or sending signals in all directions
- an omnidirectional microphone
Oxford Collocations DictionaryOmnidirectional is used with these nouns:- microphone