[Code of Federal Regulations] [Title 47, Volume 1] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR15.205] [Page 815-816] TITLE 47--TELECOMMUNICATION CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION PART 15_RADIO FREQUENCY DEVICES--Table of Contents Subpart C_Intentional Radiators Sec. 15.205 Restricted bands of operation. (a) Except as shown in paragraph (d) of this section, only spurious emissions are permitted in any of the frequency bands listed below: ---------------------------------------------------------------------------------------------------------------- MHz MHz MHz GHz ---------------------------------------------------------------------------------------------------------------- 0.090-0.110.......................... 16.42-16.423 399.9-410 4.5-5.15 \1\ 0.495-0.505...................... 16.69475-16.69525 608-614 5.35-5.46 2.1735-2.1905........................ 16.80425-16.80475 960-1240 7.25-7.75 4.125-4.128.......................... 25.5-25.67 1300-1427 8.025-8.5 4.17725-4.17775...................... 37.5-38.25 1435-1626.5 9.0-9.2 4.20725-4.20775...................... 73-74.6 1645.5-1646.5 9.3-9.5 6.215-6.218.......................... 74.8-75.2 1660-1710 10.6-12.7 6.26775-6.26825...................... 108-121.94 1718.8-1722.2 13.25-13.4 6.31175-6.31225...................... 123-138 2200-2300 14.47-14.5 8.291-8.294.......................... 149.9-150.05 2310-2390 15.35-16.2 8.362-8.366.......................... 156.52475-156.52525 2483.5-2500 17.7-21.4 8.37625-8.38675...................... 156.7-156.9 2690-2900 22.01-23.12 8.41425-8.41475...................... 162.0125-167.17 3260-3267 23.6-24.0 12.29-12.293......................... 167.72-173.2 3332-3339 31.2-31.8 12.51975-12.52025.................... 240-285 3345.8-3358 36.43-36.5 12.57675-12.57725.................... 322-335.4 3600-4400 (\2\) 13.36-13.41.......................... ---------------------------------------------------------------------------------------------------------------- \1\ Until February 1, 1999, this restricted band shall be 0.490-0.510 MHz. \2\ Above 38.6 (b) Except as provided in paragraphs (d) and (e) of this section, the field strength of emissions appearing within these frequency bands shall not exceed the limits shown in Sec. 15.209. At frequencies equal to or less than 1000 MHz, compliance with the limits in Sec. 15.209 shall be demonstrated using measurement instrumentation employing a CISPR quasi-peak detector. Above 1000 MHz, compliance with the emission limits in Sec. 15.209 shall be demonstrated based on the average value of the measured emissions. The provisions in Sec. 15.35 apply to these measurements. (c) Except as provided in paragraphs (d) and (e) of this section, regardless of the field strength limits specified elsewhere in this subpart, the provisions of this section apply to emissions from any intentional radiator. (d) The following devices are exempt from the requirements of this section: (1) Swept frequency field disturbance sensors operating between 1.705 and 37 MHz provided their emissions only sweep through the bands listed in paragraph (a) of this section, the sweep is never stopped with the fundamental emission within the bands listed in paragraph (a) of this section, and the fundamental emission is outside of the bands listed in paragraph (a) of this section more than 99% of the time the device is actively transmitting, without compensation for duty cycle. (2) Transmitters used to detect buried electronic markers at 101.4 kHz which are employed by telephone companies. (3) Cable locating equipment operated pursuant to Sec. 15.213. (4) Any equipment operated under the provisions of Sec. Sec. 15.253, 15.255 or 15.257. (5) Biomedical telemetry devices operating under the provisions of Sec. 15.242 of this part are not subject to the restricted band 608-614 MHz but are subject to compliance within the other restricted bands. (6) Transmitters operating under the provisions of subparts D or F of this part. (7) Devices operated pursuant to Sec. 15.225 are exempt from complying with this section for the 13.36-13.41 MHz band only. (8) Devices operated in the 24.075-24.175 GHz band under Sec. 15.245 are exempt from complying with the requirements of this section for the 48.15-48.35 [[Page 816]] GHz and 72.225-72.525 GHz bands only, and shall not exceed the limits specified in Sec. 15.245(b). (9) Devices operated in the 24.0-24.25 GHz band under Sec. 15.249 are exempt from complying with the requirements of this section for the 48.0-48.5 GHz and 72.0-72.75 GHz bands only, and shall not exceed the limits specified in Sec. 15.249(a). (e) Harmonic emissions appearing in the restricted bands above 17.7 GHz from field disturbance sensors operating under the provisions of Sec. 15.245 shall not exceed the limits specified in Sec. 15.245(b). [54 FR 17714, Apr. 25, 1989, as amended at 55 FR 46791, Nov. 7, 1990; 56 FR 6288, Feb. 15, 1991; 57 FR 13048, Apr. 15, 1992; 58 FR 33774, June 21, 1993; 60 FR 28068, May 30, 1995; 61 FR 14503, Apr. 2, 1996; 62 FR 4655, Jan. 31, 1997; 62 FR 58658, Oct. 30, 1997; 67 FR 34855, May 16, 2002; 68 FR 68546, Dec. 9, 2003; 69 FR 3265, Jan. 23, 2004; 69 FR 72031, Dec. 10, 2004]