FCC Web Documents citing 15.207

as compiled by hallikainen.com/FccRules on 2012 01 01

• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-06-1413A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-06-1413A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-06-1413A1.txt
  • 450, 450B, and 485. Other Devices: Model 202-1 Sip & Puff; Model 200-00 Repeater; Model 923 Receiver; Model 924 Receiver; Model PB 5000 PERS Buddy; Model 650 Medtime with RF Transmitter; Medtime; Model 200-10 HW Smoke Detector; and Model 200-14 RF Smoke Detector. 47 U.S.C. § 302a(b). See, e.g., 47 C.F.R. §§ 2.803, 2.925, 15.19, 15.101, 15.105(b), 15.107, 15.109, 15.201, 15.207, 15.231, 68.201, and 68.354. 47 U.S.C. § 154(i). 47 C.F.R. §§ 0.111, 0.311. 47 U.S.C. § 302a(b). See, e.g., 47 C.F.R. Parts 2, 15, and 68. 47 U.S.C. § 302a(b). See Letter from Kathryn S. Berthot, Deputy Chief, Spectrum Enforcement Division, Enforcement Bureau, FCC, to Howard M. Siegel, President, AMAC (Nov. 17, 2004). Federal Communications Commission DA 06-1413 } 0
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-07-4266A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-07-4266A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-07-4266A1.txt
  • was amended to read as described by Section 204(a) of the Telecommunications Act of 1996 ( the ``1996 Act'') , Pub. L. No. 104-104, 110 Stat. 56 (1996). See Implementation of Sections 204(a) and 204(c) of the Telecommunications Act of 1996 (Broadcast License Renewal Procedures), Order, 11 FCC Rcd 6363 (1996). 47 U.S.C. §§ 309(k)(2), 309(k)(3). See 47 C.F.R. §§ 15.207, 15.209, 15.219, and 15.221, which permits unlicensed transmission in the AM broadcast band of 0.05 watts. See also Permitted Forms of Low Power Broadcast Operation, Public Notice, Mimeo No. 14089 (Jul. 24, 2001). See Morgan County Industries, Inc., Memorandum Opinion and Order and Notice of Apparent Liability, 21 FCC Rcd 13712, 13714 (MB 2006) (unsupported allegation failed to present a
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-11-2011A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-11-2011A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/DA-11-2011A1.txt
  • §15.241 or §15.242. The requirements for obtaining an approval for medical telemetry equipment after this date are found in Subpart H of Part 95 of this chapter. (c) All radio frequency devices that are authorized under the certification, verification or declaration of conformity procedures on or after July 12, 2004 shall comply with the conducted limits specified in §15.107 or §15.207 as appropriate. All radio frequency devices that are manufactured or imported on or after July 11, 2005 shall comply with the conducted limits specified in §15.107 or §15.207, as appropriate. Equipment authorized, imported or manufactured prior to these dates shall comply with the conducted limits specified in §15.107 or §15.207, as appropriate, or with the conducted limits that were in
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-00-163A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-00-163A1.pdf
  • limits should be permitted in non-residential environments. Besides the difficulty in controlling the location in which the product will be used, as demonstrated with our past experience with computers, UWB devices could have a higher incidence of outdoor applications with negligible shielding of emissions radiated from the AC power lines. We believe that the existing limit in 47 CFR Section 15.207 for controlling the amount of energy permitted to be conducted onto the AC power lines is a reasonable starting point for establishing standards until additional experience can be gained with this equipment. We seek comment on this conclusion. Cumulative impact. There was considerable variation among the comments regarding the effect of cumulative emissions from multiple, co-located UWB devices. Many parties
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-02-157A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-02-157A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-02-157A1.txt
  • as follows: § 15.37 Transition provisions for compliance with the rules. * * * * * (j) All radio frequency devices that are authorized under the certification, verification or declaration of conformity procedures on or after [insert date 2 years from date of publication in the Federal Register] shall comply with the conducted limits specified in § 15.107 or § 15.207 of this Part, as appropriate. All radio frequency devices that are manufactured or imported on or after [insert date 3 years from date of publication in the Federal Register] shall comply with the conducted limits specified in § 15.107 or § 15.207 of this Part, as appropriate. Equipment authorized, imported or manufactured prior to these dates shall comply with the
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-02-328A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-02-328A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-02-328A1.txt
  • strength limit of 50 millivolts per meter at a distance of 3 meters. See 47 C.F.R. § 15.249. A power of only 152 microwatts into a dipole antenna is required to generate this field strength. See 47 C.F.R. § 15.247. See also Second Report and Order in ET Docket No. 99-231, 17 FCC Rcd. 10755 (2002). See 47 C.F.R. § 15.207 and 209. Specific frequency bands are designated as restricted bands in Part 15 to protect certain sensitive radio services from interference, such as those that protect safety of life or those that use very low received levels, such as satellite downlinks or radio astronomy. Only spurious emissions are permitted in restricted bands. See 47 C.F.R. § 15.205. See 47 C.F.R.
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-02-48A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-02-48A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-02-48A1.txt
  • resolution bandwidth ranging from 1 MHz to 50 MHz. RBW is the resolution bandwidth, in megahertz, actually employed. The minimum resolution bandwidth that may be employed is 1 MHz; the maximum resolution bandwidth that may be employed is 50 MHz. AC Power Line Conducted Limits In the Notice, the Commission proposed to retain the existing limit in 47 CFR Section 15.207 for controlling the amount of energy permitted to be conducted onto the AC power lines as a reasonable starting point for establishing standards until additional experience can be gained with this equipment. None of the comments objected to retaining the existing Part 15 limits on RF energy conducted onto the AC power lines. We concur and are adopting a limit
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-03-100A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-03-100A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-03-100A1.txt
  • a dormitory or other locations on the electric power lines. See 47 C.F.R. § 15.221. See e.g., X-10 products for home automation at , and products conforming to ANSI/EIA-600.31-97 Power Line Physical Layer and Medium Specification (CEBus Standard). See 47 C.F.R. §§ 15.3(f) & (t), 15.5, 15.31(d), (f), (g) & (h), 15.33(b)(2), 15.107(a)-(c), 15.109(a), (b), (e) & (g), 15.113, 15.201(a), 15.207(c), 15.209(a) and 15.221. See 47 C.F.R. § 15.3(f). See 47 C.F.R. §§ 15.3(z) and 15.3(o), respectively. See 47 C.F.R. § 15.3(t). A carrier current system operated by an electric utility to control the utility's electrical grid is defined as a power line carrier system in the rules. Power line carrier systems are only subject to 47 C.F.R. § 15.113. For
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-03-149A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-03-149A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-03-149A1.txt
  • it. IBM suggests that we permit use of the CISPR 22 measurement procedure below 1 GHz as an alternative to the C63.4 procedure to eliminate the potential for dual testing of products worldwide. IBM also suggests that we adopt the CISPR 22 emission limits as alternatives to our AC power line and radiated emission limits for intentional radiators in Sections 15.207 and 15.209 of the rules. IBM states this could eliminate multiple testing of computers that contain transmitters because our rules permit computers, but not transmitters, to be tested for compliance with the CISPR 22 limits, so multiple tests may be required for one device. We are adopting the changes we proposed to update and correct the rules, including referencing the
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-03-223A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-03-223A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-03-223A1.txt
  • stand-alone configuration, i.e., the module must not be inside another device during testing. This is intended to demonstrate that the module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in Section 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see Section 15.27(a)). The length of these lines used during testing shall be a length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-04-245A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-04-245A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-04-245A1.txt
  • power line in a dormitory or other locations on a campus' electric power lines. See also, e.g., X-10 products for home automation at http://www.X10.com, and products conforming to ANSI/EIA-600.31-97 Power Line Physical Layer and Medium Specification (CEBus Standard). See 47 C.F.R. §§ 15.3(f), 15.5, 15.31(d), (f), (g) and (h), 15.33(b)(2), 15.101(a) and (f), 15.107(a)-(c), 15.109(a), (b), (e) and (g), 15.201(a), 15.207(c), 15.209(a) and 15.221. 47 C.F.R. § 15.5. Under these rules, operators of Access BPL systems are responsible for eliminating any harmful interference that may occur or must cease operation upon notification by a Commission representative that the device is causing harmful interference. In-House BPL uses the 110 volt power wiring inside a residence or business to carry information within a
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-04-29A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-04-29A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-04-29A1.txt
  • networking include, for example, shared Internet access, shared printing, file sharing between personal computers, and device control. The low voltage transformer is a poor conduit for high-frequency digital signals, as it is intended to conduct 60 Hz signals. See e.g., . See 47 C.F.R. §§ 15.3(f), 15.5, 15.31(d), (f), (g) & (h), 15.33(b)(2), 15.107(a)-(c), 15.109(a), (b), (e) & (g), 15.201(a), 15.207(c), 15.209(a) and 15.221. Radiated emissions consist of desired or undesired electromagnetic energy, in the form of electric and/or magnetic fields, propagated through space. Conducted emissions consist of desired or undesired electromagnetic energy propagated along a conductor. See the American National Standard Dictionary for Technologies of Electromagnetic Compatibility (EMC), Electromagnetic Pulse (EMP), and Electrostatic Discharge (ESD),ANSI C63.14-1998, at §§ 4.62 &
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-06-113A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-06-113A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-06-113A1.txt
  • 21265 (2004). A carrier current system is defined as a system, or part of a system, that transmits radio frequency energy by conduction over an electric power line to a receiver also connected to the same power line. See 47 C.F.R. §§ 15.3(f) and (t), 15.5, 15.31(d), (f), (g) and (h), 15.33(b)(2), 15.107(a)-(c), 15.109(a), (b), (e) and (g), 15.113, 15.201(a), 15.207(c), 15.209(a) and 15.221. Campus radio systems have been operating for over fifty years in the United States at many universities as unlicensed broadcast radio stations in the AM Broadcast band. Initially, the receiver and signal source were attached to the same electric power line. With the advent of the transistor radio, receivers are able to pick up enough signal for
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-06-156A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-06-156A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-06-156A1.txt
  • the following: (1) Unwanted emissions outside the channel of operation must comply with the general field strength limits set forth in Section 15.209. (2) The provisions of Section 15.205 of this part apply to intentional radiators operating under this section. (3) Any devices using an AC power line are required to comply with the conducted limits set forth in Section 15.207. (c) The device shall automatically discontinue transmission in case of either absence of information to transmit or operational failure. These provisions are not intended to preclude the transmission of control or signaling information or the use of repetitive codes used by certain digital technologies to complete frame or burst intervals. Applicants shall include in their application for equipment authorization a
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-07-56A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-07-56A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-07-56A1.txt
  • stand-alone configuration, i.e., the module must not be inside another device during testing. This is intended to demonstrate that the module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in Section 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see Section 15.27(a)). The length of these lines shall be a length typical of actual use or, if that length is unknown, at least 10 centimeters to ensure that there is no coupling between the
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-08-260A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-08-260A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-08-260A1.txt
  • band edge, when necessary, provided the measured energy is integrated to show the total power over 100 kHz. (3) At frequencies beyond 6 MHz from the edge of the operating channel, radiated emissions from TVBD devices shall meet the requirements of Section 15.209 of this part. r line are required to comply with the conducted limits set forth in Section 15.207 of this part. (d) Compliance with radio frequency exposure requirements. To ensure compliance with the Commission's radio frequency exposure requirements in §§ 1.1307(b), 2.1091 and 2.1093 of this chapter, fixed TVBDs shall be accompanied by instructions on measures to take to ensure that persons maintain a distance of at least 40 cm from the device, as well as any necessary
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-11-160A1.doc http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-11-160A1.pdf http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-11-160A1.txt
  • 1-2 meters. 47 C.F.R. § 15.5. m. As an example, the wavelength of a 10 MHz signal is about: 3×108 / 10×106 = 30 meters. ARRL comments at 49-50 and Exhibit C to ARRL comments. Id., at 56. See BPL Order, Appendix C (Measurement Guidelines) at 21340. CURRENT Technologies comments at 11-12. See for example, 47 C.F.R. §§ 15.107 (a), 15.207 (a), or 15.250 (d). In each of these sections, a different limit applies to each band of frequencies, despite their adjacency. Courts have found that, in complex areas of regulation, an administrative agency often ``must create bright lines to separate prohibited and permissible activity. We defer to this line-drawing provided the interpretation is both reasonable and consonant with Congress' intent.''
• http://transition.fcc.gov/eb/Orders/2006/DA-06-1413A1.html
  • 450, 450B, and 485. Other Devices: Model 202-1 Sip & Puff; Model 200-00 Repeater; Model 923 Receiver; Model 924 Receiver; Model PB 5000 PERS Buddy; Model 650 Medtime with RF Transmitter; Medtime; Model 200-10 HW Smoke Detector; and Model 200-14 RF Smoke Detector. 47 U.S.C. S 302a(b). See, e.g., 47 C.F.R. SS 2.803, 2.925, 15.19, 15.101, 15.105(b), 15.107, 15.109, 15.201, 15.207, 15.231, 68.201, and 68.354. 47 U.S.C. S 154(i). 47 C.F.R. SS 0.111, 0.311. 47 U.S.C. S 302a(b). See, e.g., 47 C.F.R. Parts 2, 15, and 68. 47 U.S.C. S 302a(b). See Letter from Kathryn S. Berthot, Deputy Chief, Spectrum Enforcement Division, Enforcement Bureau, FCC, to Howard M. Siegel, President, AMAC (Nov. 17, 2004). Federal Communications Commission DA 06-1413 1 References
• http://transition.fcc.gov/fcc-bin/audio/DA-07-4266A1.doc http://transition.fcc.gov/fcc-bin/audio/DA-07-4266A1.pdf
  • was amended to read as described by Section 204(a) of the Telecommunications Act of 1996 ( the ``1996 Act'') , Pub. L. No. 104-104, 110 Stat. 56 (1996). See Implementation of Sections 204(a) and 204(c) of the Telecommunications Act of 1996 (Broadcast License Renewal Procedures), Order, 11 FCC Rcd 6363 (1996). 47 U.S.C. §§ 309(k)(2), 309(k)(3). See 47 C.F.R. §§ 15.207, 15.209, 15.219, and 15.221, which permits unlicensed transmission in the AM broadcast band of 0.05 watts. See also Permitted Forms of Low Power Broadcast Operation, Public Notice, Mimeo No. 14089 (Jul. 24, 2001). See Morgan County Industries, Inc., Memorandum Opinion and Order and Notice of Apparent Liability, 21 FCC Rcd 13712, 13714 (MB 2006) (unsupported allegation failed to present a
• http://transition.fcc.gov/fcc-bin/audio/lowpwr.html
  • FCC's rules. On FM frequencies, these devices are limited to an effective service range of approximately 200 feet (61 meters). See 47 CFR (Code of Federal Regulations) Section 15.239, and the [70]July 24, 1991 Public Notice. On the AM broadcast band, these devices are limited to an effective service range of approximately 200 feet (61 meters). See 47 CFR Sections 15.207, 15.209, 15.219, and 15.221. These devices must accept any interference caused by any other operation, which may further limit the effective service range. For more information on Part 15 devices, please see [71]OET Bulletin No. 63 ("Understanding the FCC Regulations for Low-Power, Non-Licensed Transmitters"). Questions not answered by this Bulletin can be directed to the FCC's Office of Engineering and
• http://www.fcc.gov/Bureaus/Engineering_Technology/Documents/bulletins/oet63/oet63rev.pdf http://www.fcc.gov/Bureaus/Engineering_Technology/Documents/bulletins/oet63/oet63rev.wp
  • through 2.957 The Verification Procedure The Certification Procedure 7 Technical Standards Conducted emission limits Part 15 transmitters that obtain power from the electrical power lines are subject to conducted emission standards that limit the amount of radio frequency energy they can conduct back onto these lines in the band 450 kHz - 30 MHz. This limit is 250 microvolts. Section 15.207 An exception to the conducted emission requirements is made for carrier current systems. These systems are not subject to any conducted emission limits unless they produce emissions (fundamental or harmonic) in the 535 kHz - 1,705 kHz band and are not intended to be received by standard AM broadcast receivers, in which case they are subject to a 1,000 microvolt
• http://www.fcc.gov/Bureaus/Engineering_Technology/Notices/1998/fcc98102.pdf http://www.fcc.gov/Bureaus/Engineering_Technology/Notices/1998/fcc98102.wp
  • Content-Type: text/plain Content-Transfer-Encoding: 8bit Federal Communications Commission FCC 98-102 1 See 47 CFR 15.107, 47 CFR 15.207 and 47 CFR 18.307 for the conducted emissions limits. The regulations also specify radiated emissions limits to protect against interference to radio services operating above 30 MHz. An extract of all Part 15 and Part 18 rules referenced herein is contained in the Appendix. Before the Federal Communications Commission Washington, D.C. 20554 ) In the Matter of )) 1998 Biennial
• http://www.fcc.gov/Bureaus/Engineering_Technology/Notices/2000/fcc00163.doc
  • limits should be permitted in non-residential environments. Besides the difficulty in controlling the location in which the product will be used, as demonstrated with our past experience with computers, UWB devices could have a higher incidence of outdoor applications with negligible shielding of emissions radiated from the AC power lines. We believe that the existing limit in 47 CFR Section 15.207 for controlling the amount of energy permitted to be conducted onto the AC power lines is a reasonable starting point for establishing standards until additional experience can be gained with this equipment. We seek comment on this conclusion. Cumulative impact. There was considerable variation among the comments regarding the effect of cumulative emissions from multiple, co-located UWB devices. Many parties
• http://www.fcc.gov/Bureaus/Engineering_Technology/Public_Notices/2000/da001407.doc
  • stand-alone configuration, i.e., the module must not be inside another device during testing. This is intended to demonstrate that the module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in Section 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see Section 15.27(a)). The length of these lines shall be length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case
• http://www.fcc.gov/eb/Orders/2006/DA-06-1413A1.html
  • 450, 450B, and 485. Other Devices: Model 202-1 Sip & Puff; Model 200-00 Repeater; Model 923 Receiver; Model 924 Receiver; Model PB 5000 PERS Buddy; Model 650 Medtime with RF Transmitter; Medtime; Model 200-10 HW Smoke Detector; and Model 200-14 RF Smoke Detector. 47 U.S.C. S 302a(b). See, e.g., 47 C.F.R. SS 2.803, 2.925, 15.19, 15.101, 15.105(b), 15.107, 15.109, 15.201, 15.207, 15.231, 68.201, and 68.354. 47 U.S.C. S 154(i). 47 C.F.R. SS 0.111, 0.311. 47 U.S.C. S 302a(b). See, e.g., 47 C.F.R. Parts 2, 15, and 68. 47 U.S.C. S 302a(b). See Letter from Kathryn S. Berthot, Deputy Chief, Spectrum Enforcement Division, Enforcement Bureau, FCC, to Howard M. Siegel, President, AMAC (Nov. 17, 2004). Federal Communications Commission DA 06-1413 1 References
• http://www.fcc.gov/mb/audio/includes/41-lowpwr.htm
  • FCC's rules. On FM frequencies, these devices are limited to an effective service range of approximately 200 feet (61 meters). See 47 CFR (Code of Federal Regulations) Section 15.239, and the [18]July 24, 1991 Public Notice. On the AM broadcast band, these devices are limited to an effective service range of approximately 200 feet (61 meters). See 47 CFR Sections 15.207, 15.209, 15.219, and 15.221. These devices must accept any interference caused by any other operation, which may further limit the effective service range. For more information on Part 15 devices, please see [19]OET Bulletin No. 63 ("Understanding the FCC Regulations for Low-Power, Non-Licensed Transmitters"). Questions not answered by this Bulletin can be directed to the FCC's Office of Engineering and
• http://www.fcc.gov/mb/audio/lowpwr.html
  • FCC's rules. On FM frequencies, these devices are limited to an effective service range of approximately 200 feet (61 meters). See 47 CFR (Code of Federal Regulations) Section 15.239, and the [70]July 24, 1991 Public Notice. On the AM broadcast band, these devices are limited to an effective service range of approximately 200 feet (61 meters). See 47 CFR Sections 15.207, 15.209, 15.219, and 15.221. These devices must accept any interference caused by any other operation, which may further limit the effective service range. For more information on Part 15 devices, please see [71]OET Bulletin No. 63 ("Understanding the FCC Regulations for Low-Power, Non-Licensed Transmitters"). Questions not answered by this Bulletin can be directed to the FCC's Office of Engineering and