dī​pín

low frequency (electronics)

低频 低頻 dī​pín
low frequency (electronics)
frequencies in electronic circuits that are lower than radio frequency (RF) or intermediate frequency (IF)
low frequency (radio)
specifically, the band of radio frequencies from 30 to 300 kilohertz (kHz) as defined by the International Telecommunication Union (ITU)

Frequency

Movie subtitles
0.330 per million appears in 0% of films
Written text
1.53 per million

Sources