§ 95.303   Definitions.

   The following terms and definitions apply only to the rules in this
   part.

   Antenna. A device that converts radio frequency electrical energy from
   a transmitter to radiated electromagnetic energy.

   Authorized bandwidth. The maximum permissible occupied bandwidth of an
   emission.

   Automatic control. Operational control of a Personal Radio Services
   station by automated means, such that the operator does not have to be
   located at a control point and monitoring communications in order to
   share channels and avoid interference and rule violations.

   Base station. A station at a fixed location that communicates directly
   with mobile stations and other base stations.

   Carrier power output. The average power supplied at the radio frequency
   output of a transmitter during one radio frequency cycle, measured
   under the condition of no modulation.

   Certified transmitter. A transmitter of a type for which a grant of
   equipment certification, pursuant to part 2, subpart J of this chapter,
   has been issued for the Personal Radio Service(s) in which it is
   intended to be operated.

   Citizens band radio service. Pursuant to 47 U.S.C. 307(e)(3), the term
   “citizens band radio service” means any radio service or other specific
   classification of radio stations used primarily for wireless
   telecommunications for which the FCC has determined that it serves the
   public interest, convenience and necessity to authorize by rule the
   operation of radio stations in that service or class, without
   individual licenses, pursuant to 47 U.S.C. 307(e)(1).

   Citizens Broadband Radio Service. The rules for this service, including
   technical rules, are contained in part 96 of this chapter. Only
   Citizens Broadband Radio Service Devices authorized on a General
   Authorized Access basis, as those terms are defined in section 96.3,
   are considered part of the Citizens Band Radio Services.

   Communications Act. The Communications Act of 1934, as amended; 47
   U.S.C. 151 et. seq.

   Control point. Any location where the operator of a Personal Radio
   Services station may reliably operate that station.

   Control station. A station at a fixed location that communicates with
   mobile stations and other control stations through repeater stations,
   and may also be used to control the operation of repeater stations.

   dB. Decibels.

   EIRP. Equivalent Isotropically Radiated Power. Antenna input power
   times gain for free-space, or in-tissue measurement configurations
   required by MedRadio, expressed in Watts, where the gain is referenced
   to an isotropic radiator.

   Emergency messages. Communications concerning the immediate safety of
   life or protection of property.

   Emission. Radiated electromagnetic energy from a station.

   External radio frequency power amplifier. Any device which, when used
   with a transmitter as a signal source, is capable of amplification of
   that signal, and is not an integral part of a radio transmitter as
   manufactured. See § 2.815 of this chapter.

   FCC. The Federal Communications Commission.

   Feedline. A cable or transmission line that conveys radio frequency
   electrical energy from a transmitter to an antenna.

   Fixed station. A station at a fixed location that directly communicates
   with other fixed stations only.

   Frequency accuracy. A technical requirement comprising the frequency
   tolerance, frequency stability, or both.

   Frequency tolerance. A design requirement specifying the maximum amount
   that carrier frequencies of newly manufactured transmitters may
   normally differ from the frequency or frequencies set forth in the FCC
   rules.

   Frequency stability. A design requirement specifying the maximum amount
   that carrier frequencies of transmitters may normally change from their
   nominal value as a result of changes in ambient temperature, power
   supply voltages, or other external factors.

   Hand-held portable unit. A physically small mobile station that can be
   operated while being held in the operator's hand.

   Harmful interference. Any transmission, radiation, or induction that
   endangers the functioning of a radionavigation service or of other
   safety services or seriously degrades, obstructs, or repeatedly
   interrupts a radiocommunication service operating in accordance with
   applicable laws, treaties, and regulations.

   Individual. A human being, e.g., one man or one woman.

   Individual license. An authorization to operate a Personal Radio
   Service station, granted by the FCC to a specific person.

   Interference. The effect of unwanted energy due to one or a combination
   of emissions, radiations, or inductions upon reception in a
   radiocommunication system, manifested by any performance degradation,
   misinterpretation, or loss of information which could be extracted in
   the absence of such unwanted energy.

   Licensee. A person that has been granted an individual license by the
   FCC.

   Mean power output. The average power supplied at the radio frequency
   output of a transmitter during a time interval of at least 0.1 seconds,
   taken under normal operating conditions.

   Mobile station. A station, intended to be used while in motion or
   during halts at unspecified locations, that communicates directly with
   base stations and other mobile stations, and with control stations and
   other mobile stations through repeater stations.

   Modulation. A process of altering the amplitude, frequency and/or phase
   of a radio frequency carrier wave generated within a Personal Radio
   Service transmitter, for the purpose of impressing onto the carrier
   wave information to be transmitted.

   Necessary bandwidth. For a given class of emission, the width of the
   frequency band which is just sufficient to ensure the transmission of
   information at the rate and with the quality required under specified
   conditions.

   Occupied bandwidth. For an emission, the width of a frequency band such
   that, below the lower and above the upper frequency limits, the mean
   powers emitted are each equal to 0.5% of the total mean power of the
   emission.

   One-way communications. Communications where information always flows
   in one pre-arranged direction through a communications channel.

   Operate. Control the functioning of a Personal Radio Service station;
   in particular, cause a Personal Radio Service station to begin,
   continue or cease transmitting.

   Operator. An individual who operates a Personal Radio Service station.

   Out-of-band emissions. Unwanted emissions that result from the
   modulation process and whose frequencies are immediately outside of the
   necessary bandwidth.

   Person. An individual, a corporation, a partnership, an association, a
   joint stock company, a trust, a state, territorial or local government
   unit, or other legal entity.

   Personal Radio Services station. Any transmitter, with or without an
   incorporated antenna or receiver, which is certified by the FCC to be
   operated in one or more of the Personal Radio Services.

   Personal Radio Services. The Personal Radio Services are the citizens
   band radio services, radio control radio services, the 218-219 MHz
   Service and individually licensed services comprising all of the radio
   services and other classifications of radio stations governed by the
   rules in this part (47 CFR part 95).

   Plain language voice communications. Voice communications without codes
   or coded messages intended to provide a hidden meaning. Foreign
   languages and commonly known radio operating words and phrases, such as
   “ten four” and “roger,” not intended to provide a hidden meaning, are
   not considered codes or coded messages.

   Radio control radio service. Pursuant to 47 U.S.C. 307(e)(3), the term
   “radio control radio service” means any radio service or other specific
   classification of radio stations used primarily for wireless
   telecommand and/or wireless telemetry purposes, for which the FCC has
   determined that it serves the public interest, convenience and
   necessity to authorize by rule the operation of radio stations in that
   service or class, without individual licenses, pursuant to 47 U.S.C.
   307(e)(1).

   Remote control. Operation of a Personal Radio Services station from a
   location that is not in the immediate vicinity of the transmitter.
   Operation of a Personal Radio Services station from any location on the
   premises, vehicle or craft where the transmitter is located is not
   considered to be remote control.

   Repeater station. A station in a fixed location used to extend the
   communications range of mobile stations, hand-held portable units and
   control stations by receiving their signals on one channel (the input
   channel) and simultaneously retransmitting these signals on another
   channel (the output channel), typically with higher transmitting power
   from a favorable antenna location (typically high above the surrounding
   terrain).

   Spurious emissions. Unwanted emissions, the level of which may be
   reduced without affecting the corresponding transmission of
   information, including harmonic emissions, parasitic emissions,
   intermodulation products and frequency conversion products, but
   excluding out-of-band emissions.

   Network connection. Connection of a Personal Radio Services station to
   the public switched network, so that operators of other stations in
   that service are able to make (and optionally to receive) telephone
   calls through the connected station.

   Transmit. Radiate electromagnetic energy.

   Transmitter. A device which supplies radio frequency electrical energy
   to an antenna, either directly or through a feedline.

   Transmitter type. A sample transmitter submitted for testing to
   evaluate compliance with the technical and design rules in this part,
   for the purpose of FCC certification pursuant to part 2, subpart J of
   this chapter. The sample transmitter is identical to (as defined in
   § 2.908 of this chapter) and representative of all other transmitters of
   the same type.

   Two-way communications. Communications where information flows in both
   directions through a communications channel, either simultaneously
   (duplex operation) or alternately (simplex operation).

   Unwanted emissions. Emissions whose frequencies are outside of the
   necessary bandwidth; comprising out-of-band emissions and spurious
   emissions.

   User. Any person who uses or benefits from the operation of a Personal
   Radio Service station.

   Voice obscuring feature. A feature incorporated into a Personal Radio
   Service telephony transmitter that alters the sound of the user's voice
   in such a way that the communications are intended to be understandable
   only to individuals using a similar unit that reverses the process on
   the receiving end, so that the voice again becomes intelligible.

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