Ham radio operators use the 2-meter band for general conversations as well as for emergency communications . Ham radio operators are often the first called upon to assist in major disasters with communications between the public and emergency services such a law enforcement, fire and emergency medical services.
Read moreWhat is the maximum distance of radio frequency?
Radio waves have the longest wavelengths in the EM spectrum, according to NASA, ranging from about 0.04 inches (1 millimeter) to more than 62 miles (100 kilometers). … Bands of radio waves. BandFrequency rangeWavelength rangeHigh Frequency (HF)3 to 30 MHz10 to 100 mVery High Frequency (VHF)30 to 300 MHz1 to 10 mWhat Are Radio Waves? | Live Science www.livescience.com › 50399-radio-waves
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