Can we hear 1 Mhz?

People can hear sounds at frequencies from about 20 Hz to 20,000 Hz, though we hear sounds best from 1,000 Hz to 5,000 Hz, where human speech is centered. Hearing loss may reduce the range of frequencies a person can hear. It is common for people to lose their ability to hear higher frequencies as they get older.

What sound frequency is harmful to humans?

In general, sounds above 85 are harmful, depending on how long and how often you are exposed to them and whether you wear hearing protection, such as earplugs or earmuffs.

What is the best frequency to sleep to?

In general: Binaural beats in the delta (1 to 4 Hz) range have been associated with deep sleep and relaxation. Binaural beats in the theta (4 to 8 Hz) range are linked to REM sleep, reduced anxiety, relaxation, as well as meditative and creative states.

At what frequency do humans hear?

about 20 Hz to 20 kHz
Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz. (Human infants can actually hear frequencies slightly higher than 20 kHz, but lose some high-frequency sensitivity as they mature; the upper limit in average adults is often closer to 15–17 kHz.)

Which is the highest frequency in NG124?

NG124 33.00-33.01 MHz Land Transportation 33.01-33.11 MHz Public Safety 33.11-33.41 MHz Industrial 33.41-34 MHz Public Safety 34-35 FIXED MOBILE

What are the frequencies of land mobile NG124?

35-36 LAND MOBILE NG124 35.00-35.19 MHz Industrial 35.19-35.69 MHz Domestic Public Industrial Public Safety 35.69-36.00 MHz Industrial 36-37 FIXED MOBILE US220 US220 See Section 4.3.6 of the NTIA Manual for Channeling Plan.

What are the frequencies in Region 2 MHz?

Region 2 MHz Region 3 MHz Band MHz Government Allocation Non-Government Allocation Remarks 27.5-28 METEOROLOGICAL AIDS FIXED MOBILE 27.41-27.54 LAND MOBILE Industrial 27.54-28 FIXED MOBILE US298 US298 28-29.7 AMATEUR AMATEUR-SATELLITE 28-29.7 AMATEUR AMATEUR-SATELLITE 29.7-30.005 FIXED MOBILE 29.7-29.8 LAND MOBILE Industrial 29.8-29.89