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VHF radio signals are those on frequencies from 30MHz - 300MHz. UK Business VHF Radios use frequencies from 136 - 174MHz. "Marine band" VHF radios used on ships and to communicate between vessels and harbours, bridges, locks etc, use frequencies between 156 - 162MHz.

Below this is reserved for television stations. Radio waves would interfere with television waves, hampering communications. However, the FCC will allow radio broadcasts to produce transmissions lower than 88.1 MHz if the carrier wave does not go farther than about 60 meters.

The FCC regulates radio frequency (RF) devices contained in electronic-electrical products that are capable of emitting radio frequency energy by radiation, conduction, or other means. These products have the potential to cause interference to radio services operating in the radio frequency range of 9 kHz to 3000 GHz.

The Federal Communication Commission (FCC) requires that all two-way radios used in the United States that operate using GMRS frequencies obtain an FCC license. GMRS stands for General Mobile Radio Service and is a radio that uses channels around 462 Mhz and 467 Mhz.

Licensing Information This includes public safety, commercial and non-commercial fixed and mobile wireless services, broadcast television and radio, satellite and other services.

For exposure to RF energy from wireless devices, the allowable FCC SAR limit is 1.6 watts per kilogram (W/kg), as averaged over one gram of tissue. For wireless devices operating in the frequency range above 6 GHz, the guidelines specify power density as the relevant RF exposure limit.

What Products Need FCC Certification? Computers and peripherals. Power adapters. Bluetooth devices. Electromagnetic compatibility products. Remote control transmitters. IT equipment. Wireless local area networking equipment. Radio and telecommunications terminal equipment.