![]() To interact with the spectrum, you'll need an FCC LICENSE (!! if you skipped to this part, please see the first paragraph), and an adapter that is capable of transmitting/receiving on the 4.9GHz spectrum. The neat thing about the 4.9Ghz spectrum is that the pretty much de-facto standard used in it is IEEE802.11! It takes some deviations from the standard, such as allowing for 1MHz, 5MHz, 10MHz or 20MHz channels, but other then that, it is plain old 802.11 on a different spectrum. It's used from everything to create "on the scene" networks so that the police and other responders can share and transfer data, to video camera systems around a fixed location. ![]() It's mainly for short distance, almost line of sight, communications. The 4.9GHz Public Safety Spectrum (4.940GHz to 4.990GHz) is one of these reserved public safety ranges. ![]() Basically it's used for police, ambulance, fire, and in some cases, utilities to communicate. The Public Safety Spectrum is the name for a number of reserved ranges in radio spectrum allocated by the FCC and dedicated for the "sole or principal purpose of protecting the safety of life, health, or property". ![]()
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