§ 15.3 47 CFR Ch. I (10–1–10 Edition)

(b) The operation of an intentional or nect a cable system operated under unintentional radiator that is not in part 76 of this chapter to a TV broad- accordance with the regulations in this cast receiver or other subscriber part must be licensed pursuant to the premise equipment. Any device which provisions of section 301 of the Commu- functions as a CSTD in one of its oper- nications Act of 1934, as amended, un- ating modes must comply with the less otherwise exempted from the li- technical requirements for such de- censing requirements elsewhere in this vices when operating in that mode. chapter. (f) Carrier current system. A system, or (c) Unless specifically exempted, the part of a system, that transmits radio operation or marketing of an inten- frequency energy by conduction over tional or unintentional radiator that is the electric power lines. A carrier cur- not in compliance with the administra- rent system can be designed such that tive and technical provisions in this the signals are received by conduction part, including prior Commission au- directly from connection to the elec- thorization or verification, as appro- tric power lines (unintentional radi- priate, is prohibited under section 302 ator) or the signals are received over- of the Communications Act of 1934, as the-air due to radiation of the radio amended, and subpart I of part 2 of this frequency signals from the electric chapter. The equipment authorization power lines (intentional radiator). and verification procedures are de- (g) CB receiver. Any receiver that op- tailed in subpart J of part 2 of this erates in the Personal Radio Services chapter. on frequencies allocated for Citizens Band (CB) Radio Service stations, as § 15.3 Definitions. well as any receiver provided with a (a) Auditory assistance device. An in- separate band specifically designed to tentional radiator used to provide audi- receive the transmissions of CB sta- tory assistance to a handicapped per- tions in the Personal Radio Services. son or persons. Such a device may be This includes the following: (1) A CB used for auricular training in an edu- receiver sold as a separate unit of cation institution, for auditory assist- equipment; (2) the receiver section of a ance at places of public gatherings, CB transceiver; (3) a converter to be such as a church, theater, or audito- used with any receiver for the purpose rium, and for auditory assistance to of receiving CB transmissions; and, (4) handicapped individuals, only, in other a multiband receiver that includes a locations. band labelled ‘‘CB’’ or ‘‘11-meter’’ in (b) Biomedical telemetry device. An in- which such band can be separately se- tentional radiator used to transmit lected, except that an Amateur Radio measurements of either human or ani- Service receiver that was manufac- mal biomedical phenomena to a re- tured prior to January 1, 1960, and ceiver. which includes an 11-meter band shall (c) Cable input selector switch. A trans- not be considered to be a CB receiver. fer switch that is intended as a means (h) Class A digital device. A digital de- to alternate between the reception of vice that is marketed for use in a com- broadcast signals via connection to an mercial, industrial or business environ- antenna and the reception of cable tel- ment, exclusive of a device which is evision service. marketed for use by the general public (d) Cable locating equipment. An inten- or is intended to be used in the home. tional radiator used intermittently by (i) Class B digital device. A digital de- trained operators to locate buried ca- vice that is marketed for use in a resi- bles, lines, pipes, and similar struc- dential environment notwithstanding tures or elements. Operation entails use in commercial, business and indus- coupling a signal onto trial environments. Examples of such the cable, pipes, etc. and using a re- devices include, but are not limited to, ceiver to detect the location of that personal , calculators, and structure or element. similar electronic devices that are (e) Cable system terminal device marketed for use by the general public. (CSTD). A TV interface device that NOTE: The responsible party may also qual- serves, as its primary function, to con- ify a device intended to be marketed in a

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commercial, business or industrial environ- (l) Field disturbance sensor. A device ment as a Class B device, and in fact is en- that establishes a radio frequency field couraged to do so, provided the device com- in its vicinity and detects changes in plies with the technical specifications for a that field resulting from the movement Class B digital device. In the event that a particular type of device has been found to of persons or objects within its range. repeatedly cause harmful interference to (m) Harmful interference. Any emis- radio communications, the Commission may sion, radiation or induction that en- classify such a digital device as a Class B dangers the functioning of a radio navi- digital device, regardless of its intended use. gation service or of other safety serv- (j) Cordless telephone system. A system ices or seriously degrades, obstructs or consisting of two transceivers, one a repeatedly interrupts a base station that connects to the pub- radiocommunications service operating lic switched telephone network and the in accordance with this chapter. other a mobile handset unit that com- (n) Incidental radiator. A device that municates directly with the base sta- generates radio frequency energy dur- tion. Transmissions from the mobile ing the course of its operation al- unit are received by the base station though the device is not intentionally and then placed on the public switched designed to generate or emit radio fre- telephone network. Information re- quency energy. Examples of incidental ceived from the switched telephone radiators are dc motors, mechanical network is transmitted by the base sta- light switches, etc. tion to the mobile unit. (o) Intentional radiator. A device that intentionally generates and emits NOTE: The Domestic Public Cellular Radio Telecommunications Service is considered to radio frequency energy by radiation or be part of the switched telephone network. induction. In addition, intercom and paging operations (p) Kit. Any number of electronic are permitted provided these are not in- parts, usually provided with a sche- tended to be the primary modes of operation. matic diagram or printed circuit board, (k) Digital device. (Previously defined which, when assembled in accordance as a computing device). An uninten- with instructions, results in a device tional radiator (device or system) that subject to the regulations in this part, generates and uses timing signals or even if additional parts of any type are pulses at a rate in excess of 9,000 pulses required to complete assembly. (cycles) per second and uses digital (q) Perimeter protection system. A field techniques; inclusive of telephone disturbance sensor that employs RF equipment that uses digital techniques transmission lines as the radiating or any device or system that generates source. These RF transmission lines and uses radio frequency energy for the are installed in such a manner that al- purpose of performing data processing lows the system to detect movement functions, such as electronic computa- within the protected area. tions, operations, transformations, re- (r) Peripheral device. An input/output cording, filing, sorting, storage, re- unit of a system that feeds data into trieval, or transfer. A radio frequency and/or receives data from the central device that is specifically subject to an processing unit of a digital device. Pe- emanation requirement in any other ripherals to a digital device include FCC Rule part or an intentional radi- any device that is connected external ator subject to subpart C of this part to the digital device, any device inter- that contains a digital device is not nal to the digital device that connects subject to the standards for digital de- the digital device to an external device vices, provided the digital device is by wire or cable, and any circuit board used only to enable operation of the designed for interchangeable mount- radio frequency device and the digital ing, internally or externally, that in- device does not control additional creases the operating or processing functions or capabilities. speed of a digital device, e.g., ‘‘turbo’’ NOTE: terminals and peripherals cards and ‘‘enhancement’’ boards. Ex- that are intended to be connected to a com- amples of peripheral devices include puter are digital devices. terminals, printers, external floppy

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disk drives and other data storage de- solely for the reception of the broad- vices, video monitors, keyboards, inter- cast signals under part 73 of this chap- face boards, external memory expan- ter, for the reception of NOAA broad- sion cards, and other input/output de- cast weather band signals, or for oper- vices that may or may not contain dig- ation as part of a licensed service are ital circuitry. This definition does not not included in this definition. include CPU boards, as defined in para- (w) (TV) broadcast receiver. graph (bb) of this section, even though A device designed to receive television a CPU board may connect to an exter- pictures that are broadcast simulta- nal keyboard or other components. neously with sound on the television (s) Personal computer. An electronic channels authorized under part 73 of computer that is marketed for use in this chapter. the home, notwithstanding business (x) Transfer switch. A device used to applications. Such computers are con- alternate between the reception of sidered Class B digital devices. Com- over-the-air radio frequency signals via puters which use a standard TV re- connection to an antenna and the re- ceiver as a display device or meet all of ception of radio frequency signals re- the following conditions are considered ceived by any other method, such as examples of personal computers: from a TV interface device. (1) Marketed through a retail outlet (y) TV interface device. An uninten- or direct mail order catalog. tional radiator that produces or trans- (2) Notices of sale or advertisements lates in frequency a radio frequency are distributed or directed to the gen- carrier modulated by a video signal de- eral public or hobbyist users rather rived from an external or internal sig- than restricted to commercial users. nal source, and which feeds the modu- (3) Operates on a battery or 120 volt lated radio frequency energy by con- electrical supply. duction to the antenna terminals or If the responsible party can dem- other non-baseband input connections onstrate that because of price or per- of a television broadcast receiver. A TV formance the computer is not suitable interface device may include a stand- for residential or hobbyist use, it may alone RF modulator, or a composite de- request that the computer be consid- vice consisting of an RF modulator, ered to fall outside of the scope of this video source and other components de- definition for personal computers. vices. Examples of TV interface devices (t) Power line carrier systems. An unin- are video cassette recorders and ter- tentional radiator employed as a car- minal devices attached to a cable sys- rier current system used by an electric tem or used with a Master Antenna (in- power utility entity on transmission cluding those used for central distribu- lines for protective relaying, telem- tion video devices in apartment or of- etry, etc. for general supervision of the fice buildings). power system. The system operates by (z) Unintentional radiator. A device the transmission of radio frequency en- that intentionally generates radio fre- ergy by conduction over the electric quency energy for use within the de- power transmission lines of the system. vice, or that sends radio frequency sig- The system does not include those elec- nals by conduction to associated equip- tric lines which connect the distribu- ment via connecting wiring, but which tion substation to the customer or is not intended to emit RF energy by house wiring. radiation or induction. (u) Radio frequency (RF) energy. Elec- (aa) Cable ready consumer electronics tromagnetic energy at any frequency equipment. Consumer electronics TV re- in the radio spectrum between 9 kHz ceiving devices, including TV receivers, and 3,000,000 MHz. videocassette recorders and similar de- (v) Scanning receiver. For the purpose vices, that incorporate a tuner capable of this part, this is a receiver that of receiving television signals and an automatically switches among two or input terminal intended for receiving more frequencies in the range of 30 to cable television service, and are mar- 960 MHz and that is capable of stopping keted as ‘‘cable ready’’ or ‘‘cable com- at and receiving a radio signal detected patible.’’ Such equipment shall comply on a frequency. Receivers designed with the technical standards specified

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in § 15.118 and the provisions of ated or controlled by an electric serv- § 15.19(d). ice provider. The electric power lines (bb) CPU board. A circuit board that may be aerial (overhead), underground, contains a microprocessor, or fre- or inside the walls, floors or ceilings of quency determining circuitry for the user premises. In-House BPL devices microprocessor, the primary function may establish closed networks within a of which is to execute user-provided user’s premises or provide connections programming, but not including: to Access BPL networks, or both. (1) A circuit board that contains only [54 FR 17714, Apr. 25, 1989, as amended at 55 a microprocessor intended to operate FR 18340, May 2, 1990; 57 FR 33448, July 29, under the primary control or instruc- 1992; 59 FR 25340, May 16, 1994; 61 FR 31048, tion of a microprocessor external to June 19, 1996; 62 FR 26242, May 13, 1997; 64 FR such a circuit board; or 22561, Apr. 27, 1999; 65 FR 64391, Oct. 27, 2000; (2) A circuit board that is a dedicated 66 FR 32582, June 15, 2001; 67 FR 48993, July controller for a storage or input/output 29, 2002; 70 FR 1373, Jan. 7, 2005] device. § 15.5 General conditions of operation. (cc) External radio frequency power amplifier. A device which is not an inte- (a) Persons operating intentional or gral part of an intentional radiator as unintentional radiators shall not be manufactured and which, when used in deemed to have any vested or recogniz- conjunction with an intentional radi- able right to continued use of any ator as a signal source, is capable of given frequency by virtue of prior reg- amplifying that signal. istration or certification of equipment, (dd) Test equipment is defined as or, for power line carrier systems, on equipment that is intended primarily the basis of prior notification of use for purposes of performing measure- pursuant to § 90.63(g) of this chapter. ments or scientific investigations. (b) Operation of an intentional, unin- tentional, or incidental radiator is sub- Such equipment includes, but is not ject to the conditions that no harmful limited to, field strength meters, spec- interference is caused and that inter- trum analyzers, and modulation mon- ference must be accepted that may be itors. caused by the operation of an author- (ee) Radar detector. A receiver de- ized radio station, by another inten- signed to signal the presence of radio tional or unintentional radiator, by in- signals used for determining the speed dustrial, scientific and medical (ISM) of motor vehicles. This definition does equipment, or by an incidental radi- not encompass the receiver incor- ator. porated within a radar transceiver cer- (c) The operator of a radio frequency tified under the Commission’s rules. device shall be required to cease oper- (ff) Access Broadband over Power Line ating the device upon notification by a (Access BPL). A carrier current system Commission representative that the installed and operated on an electric device is causing harmful interference. utility service as an unintentional ra- Operation shall not resume until the diator that sends radio frequency en- condition causing the harmful inter- ergy on frequencies between 1.705 MHz ference has been corrected. and 80 MHz over medium voltage lines (d) Intentional radiators that or over low voltage lines to provide produce Class B emissions (damped broadband communications and is lo- wave) are prohibited. cated on the supply side of the utility service’s points of interconnection with § 15.7 [Reserved] customer premises. Access BPL does not include power line carrier systems § 15.9 Prohibition against eaves- as defined in § 15.3(t) or In-House BPL dropping. as defined in § 15.3(gg). Except for the operations of law en- (gg) In-House Broadband over Power forcement officers conducted under Line (In-House BPL). A carrier current lawful authority, no person shall use, system, operating as an unintentional either directly or indirectly, a device radiator, that sends radio frequency operated pursuant to the provisions of energy by conduction over electric this part for the purpose of overhearing power lines that are not owned, oper- or recording the private conversations

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