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• GLOSSARY <br /> Analog Technology (see Digital Technology) <br /> Analog technology replicates and amplifies voice messages as they are carried from the <br /> transmitting antenna to the receiving antenna. Traditionally, cellular phone systems have used <br /> analog transmission signals. <br /> Antenna <br /> A device used in communications which transmits or receives radio signals. <br /> • <br /> • Band <br /> A clearly defined range of radiofrequencies dedicated to a particular purpose. <br /> California Public Utilities Commission (CPUC) • <br /> Governmental agency which regulates the terms and conditions of public utilities in the State of <br /> California. Of the three wireless communications services discussed in the Issues Paper, the <br /> CPUC presently regulates only cellular service providers. <br /> Channel <br /> • A segment of a frequency band. Also referred to simply as "frequency." <br /> Co-location <br /> Locating wireless communications equipment from more than one provider on a single site. <br /> Common Carrier <br /> A public radio service in which a single licensee provides one-way or two-way service to <br /> multiple users. <br /> Communications Facility <br /> A land use -facility supporting antennas and microwave dishes that sends and/orreceives <br /> radiofrequency signals.. Communications facilities include structures or towers, and accessory <br /> buildings. <br /> Digital Technology • <br /> Digital technology converts voice and data messages into digits that represent sound intensities <br /> at specific points of time and data content. ESMR and PCS service providers employ digital <br /> technology, and cellular providers are rapidly converting to digital as well. <br /> Dish Antenna <br /> A dish-like antenna used to link communications sites together by wireless transmission of voice <br /> • or data. Also called microwave antenna or microwave dish antenna. <br /> ' 41 <br />