Soccer is one of the most popular sports among girls, Chaudhry said, and its popularity blossomed after U.S. women won the World Cup in 1999. Katy Hardt, 22, who lives in San Francisco, has played soccer since she was little.
TETRA (Terrestrial Trunked Radio) TETRA (Terrestrial Trunked Radio) is a set of standards developed by the European Telecommunications Standardisation Institute (ETSI) that describes a common mobile radio communications infrastructure throughout Europe.
Radio Frequency, or RF, is the mode of communication that is used by most radio devices, from deep space communication networks to cell phones.CB radios use RF transceivers. Some TV remote controls use RF. Cordless phones use RF. A standard radio is the most obvious receiver of radio signals.RF is used to send signals to remote control toys. Wireless routers use RF technology.adio Frequency, or RF, is the mode of communication that is used by most radio devices, from deep space communication networks to cell phones. CB radios use RF transceivers.