How to Make Electricity From Radio Waves

Urban environments are filled with kilowatts of radio waves from commercial and government transmitters. Although you can’t make anywhere near enough electricity from this energy source to run your house, you can detect it with sensitive electronic equipment. All antennas create electric currents from radio waves; they produce small amounts of energy. Radio Wave Energy…

Cheap Ways to Make Antennas Stronger

Whether using wireless networks, watching television or listening to the radio, your data connectivity relies on antennas. Reducing interference, proper alignment and mounting location are among the common issues you face with any antenna installation. Different types of antennas present different concerns, so you need to take different steps to address the specific needs of…

Do Satellites Use Radio Waves?

Satellites orbiting the Earth communicate with stations on the ground using radio waves. The only difference between the radio waves picked up by the satellite radio on your office desk and those used for traditional FM and AM broadcasts is the wavelength and frequency. The U.S. government allocates specific frequencies for commercial, scientific and military…

How to Use Scanner Radios

A scanner radio might not be the most commonly seen piece of equipment around the home or office, but scanner radios do provide genuine value, whether for hobby or work. Whatever your use will be, you’ll need to learn about some of the legalities of using a scanner radio. You’ll also benefit from knowing how…

Squelch and Squelch Level

People in the use of wireless walkie-talkie often hear the background noise, squelch, refers to the radio in order to solve the call quality and noise problems, and design of the squelch circuit or squelch function. Squelch function has a different squelch level, according to the actual situation to adjust themselves. Noise characteristics Wireless walkie-talkie…