Việt
dải tần số nới rộng
Anh
extended frequency range
frequency record
waveband
Đức
erweiterter Frequenzbereich
Pháp
gamme de fréquences étendue
extended frequency range /ENG-ELECTRICAL/
[DE] erweiterter Frequenzbereich
[EN] extended frequency range
[FR] gamme de fréquences étendue
extended frequency range, frequency record, waveband