Comtek Frequency Chart Instant

While 216 MHz is generally quieter than the 500 MHz UHF band, it is not immune to interference.

While the frequency is the exact radio wave used, the channel number is a shorthand reference. On set, a sound mixer might say, "We are on Channel 4." The crew doesn't need to memorize the specific MHz; they just need to know how to dial their receiver to Channel 4. comtek frequency chart