Goto Section: 90.266 | 90.269 | Table of Contents

FCC 90.267
Revised as of October 1, 2005
Goto Year:2004 | 2006
Sec.  90.267   Assignment and use of frequencies in the 450–470 MHz band for low
power use.

   (a) The following frequencies between 450–470 MHz are designated for
   low-power use subject to the provisions of this section. For purposes of
   this section these frequencies are referred to as “low power frequencies.”
   Pairs are shown but single frequencies are available for simplex operations.

   (b) Group A1 Frequencies. The Industrial/Business Pool frequencies in Group
   A1 are available on a coordinated basis, pursuant to  Sec. 90.35(b)(2) and
    Sec. 90.175(b), as follows:

   (1) Group A1 frequencies are available for voice and non-voice operations on
   a co-primary basis. Base, mobile and operational fixed stations will be
   authorized on Group A1 frequencies. Fixed stations may be licensed as
   mobile.

   (2) Within 80 kilometers (50 miles) of the specified coordinates of the top
   100 urban areas listed in  Sec. 90.741 of this chapter (“80 km circles”) only low
   power operation will be authorized. The coordinates of an operational fixed
   or base station and the geographic center (latitude and longitude) of a
   mobile area of operation determine whether a station is within an “80 km
   circle.”

   (i) The maximum ERP for low power operation on Group A1 frequencies is as
   follows:


------------------------------------------------------------------------
                                                              High side
                                                Low side of       of
                   Operation                     frequency    frequency
                                                    pair         pair
                                                  (watts)      (watts)
------------------------------------------------------------------------
Operational Fixed or Base.....................           20            6
Mobile........................................            6            6
Portable......................................            2            2
------------------------------------------------------------------------

   (ii) The maximum antenna height for low power fixed stations on Group A1
   frequencies will be 23 meters (75 feet) above ground.

   (3) Outside the “80 km circles” defined in paragraph (b)(2), full-power
   operational fixed, base, or mobile stations will be authorized as follows:

   (i) Power and antenna height limits are governed by  Sec. 90.205 of this chapter;

   (ii) For any operational fixed, base or mobile station exceeding the low
   power or antenna height limits listed in paragraph (b)(2), the 21 dBu
   F(50,10) contour may not overlap any portion of an “80 km circle;” and,

   (iii) Wide area operations will not be permitted. The area of normal
   day-to-day operations will be described in the application in terms of
   maximum distance from a geographic center (latitude and longitude).

   (4) The Industrial/Business Pool Group A1 Low Power Frequencies are as
   follows:

451/456.18125                  451/456.58125                  452/457.10625
                452/457.70625
451/456.1875                   451/456.5875                   452/457.1125
                452/457.7125
451/456.19375                  451/456.59375                  452/457.11875
                452/457.71875
451/456.28125                  451/456.60625                  452/457.13125
                452/457.78125
451/456.2875                   451/456.6125                   452/457.1375
                452/457.7875
451/456.29375                  451/456.61875                  452/457.14375
                452/457.79375
451/456.30625                  451/456.65625                  452/457.15625
                452/457.80625
451/456.3125                   451/456.6625                   452/457.1625
                452/457.8125
451/456.31875                  451/456.66875                  452/457.16875
                452/457.81875
451/456.35625                  451/456.68125                  452/457.18125
                452/457.83125
451/456.3625                   451/456.6875                   452/457.1875
                452/457.8375
451/456.36875                  451/456.69375                  452/457.19375
                452/457.84375
451/456.38125                  451/456.70625                  452/457.28125
                452/457.88125
451/456.3875                   451/456.7125                   452/457.2875
                452/457.8875
451/456.39375                  451/456.71875                  452/457.29375
                452/457.89375
451/456.40625                  451/456.73125                  452/457.48125
                452/457.98125
451/456.4125                   451/456.7375                   452/457.4875
                452/457.9875
451/456.41875                  451/456.74375                  452/457.49375
                452/457.99375
451/456.45625                  451/456.75625                  452.53125 (unpair
ed)             462/467.18125
451/456.4625                   451/456.7625                   452.5375 (unpaire
d)              462/467.1875
451/456.46875                  451/456.76875                  452.54375 (unpair
ed)             462/467.19375
451/456.48125                  452/457.03125                  452/457.63125
                462/467.45625
451/456.4875                   452/457.0375                   452/457.6375
                462/467.4625
451/456.49375                  452/457.04375                  452/457.64375
                462/467.46875
451/456.50625                  452/457.05625                  452/457.65625
                462/467.48125
451/456.5125                   452/457.0625                   452/457.6625
                462/467.4875
451/456.51875                  452/457.06875                  452/457.66875
                462/467.49375
451/456.55625                  452/457.08125                  452/457.68125
                462/467.50625
451/456.5625                   452/457.0875                   452/457.6875
                462/467.5125
451/456.56875                  452/457.09375                  452/457.69375
                462/467.51875


   (c) Group A2 Frequencies. The Industrial/Business Pool frequencies in Group
   A2 are available nationwide on a coordinated basis, pursuant  Sec. 90.35(b)(2)
   and  Sec. 90.175(b) as follows:

   (1) Group A2 frequencies are available for voice and non-voice operations on
   a co-primary basis. Base, mobile or operational fixed stations will be
   authorized on Group A2 frequencies. Fixed stations may be licensed as
   mobile.

   (2) Low power operation will be authorized nationwide on Group A2
   frequencies.

   (i) The maximum ERP for low power operation on these frequencies is as
   follows:


------------------------------------------------------------------------
                                                              High side
                                                Low side of       of
                   Operation                     frequency    frequency
                                                    pair         pair
                                                               (watts)
------------------------------------------------------------------------
Operational Fixed or Base.....................           20            6
Mobile........................................            6            6
Portable......................................            2            2
------------------------------------------------------------------------

   (ii) The maximum antenna height for low power fixed stations will be 23
   meters (75 feet) above ground.

   (3) The Industrial/Business Pool Group A2 Low Power Frequencies are as
   follows:

451/456.23125                  451/456.53125                  452/457.40625
                452/457.85625
451/456.2375                   451/456.5375                   452/457.4125
                452/457.8625
451/456.24375                  451/456.54375                  452/457.41875
                452/457.86875
451/456.33125                  451/456.63125                  452/457.50625
451/456.3375                   451/456.6375                   452/457.5125
451/456.34375                  451/456.64375                  452/457.51875
451/456.43125                  452/457.30625                  452/457.75625
451/456.4375                   452/457.3125                   452/457.7625
451/456.44375                  452/457.31875                  452/457.76875


   (d) Group B Frequencies. The Industrial/Business Pool frequencies in Group B
   are available nationwide on a coordinated basis, pursuant to  Sec. 90.35(b)(2)
   and  Sec. 90.175(b) as follows:

   (1) Group B frequencies are available for non-voice operations on a primary
   basis. Voice operations will be permitted on a secondary basis. Base, mobile
   or operational fixed stations will be authorized on Group B frequencies.
   Fixed stations may be licensed as mobile.

   (2) Operation on these frequencies is limited to 6 watts ERP for base,
   mobile or operational fixed stations and 2 watts ERP for portable units. A
   maximum antenna height of 7 meters (20 ft) above ground is authorized for
   fixed stations.

   (3) The Industrial/Business Pool Group B Frequencies are as follows:

462/467.20625                  462/467.28125                  462/467.35625
                462/467.43125
462/467.2125                   462/467.2875                   462/467.3625
                462/467.4375
462/467.21875                  462/467.29375                  462/467.36875
                462/467.44375
462/467.23125                  462/467.30625                  462/467.38125
462/467.2375                   462/467.3125                   462/467.3875
462/467.24375                  462/467.31875                  462/467.39375
462/467.25625                  462/467.33125                  462/467.40625
462/467.2625                   462/467.3375                   462/467.4125
462/467.26875                  462/467.34375                  462/467.41875


   (e) Group C Frequencies. The Industrial/Business Pool frequencies in Group C
   are available nationwide for non-coordinated itinerant use as follows.

   (1) Group C frequencies are available for voice and non-voice operations on
   a co-primary basis. Only mobile operations will be authorized on Group C
   frequencies. Stations may operate at fixed locations for a temporary period
   of time. No stations operating at a permanent fixed location will be
   authorized on Group C frequencies.

   (2) Operation on these frequencies is limited to 6 watts effective radiated
   power for fixed or mobile units and 2 watts ERP for portable units. Stations
   operating at fixed locations for a temporary period of time will be limited
   to an antenna height of 7 meters (20 feet) above ground.

   (3) The frequencies in Group C that are subject to the provisions of
    Sec. 90.35(c)(67) will not be available for itinerant use until the end of the
   freeze on the filing of high power applications for 12.5 kHz offset channels
   in the 460–470 MHz band.

   (4) The Industrial/Business Pool Group C Low Power Frequencies are as
   follows:

461/466.03125                  461/466.15625                  461/466.28125
                462.8125
461/466.0375                   461/466.1625                   461/466.2875
                462.8375

                 (unpaired)
461/466.04375                  461/466.16875                  461/466.29375
                462/467.8625
461/466.05625                  461/466.18125                  461/466.30625
                462/467.8875
461/466.0625                   461/466.1875                   461/466.3125
                462/467.9125
461/466.06875                  461/466.19375                  461/466.31875
                464/469.48125
461/466.08125                  461/466.20625                  461/466.33125
                464/469.4875
461/466.0875                   461/466.2125                   461/466.3375
                464/469.5125
461/466.09375                  461/466.21875                  461/466.34375
                464/469.51875
461/466.10625                  461/466.23125                  461/466.35625
                464/469.53125
461/466.1125                   461/466.2375                   461/466.3625
                464/469.5375
461/466.11875                  461/466.24375                  461/466.36875
                464/469.5625
461/466.13125                  461/466.25625                  462.7625 (unpaire
d)              464/469.56875
461/466.1375                   461/466.2625                   462.7875 (unpaire
d)
461/466.14375                  461/466.26875                  462.8125 (unpaire
d)


   (f) Group D Frequencies. The Industrial/Business Pool frequencies in Group D
   are available for central station alarm operations on a coordinated basis,
   pursuant to  Sec. 90.35(b)(2) and  Sec. 90.175(b).

   (1) Base, mobile or operational fixed stations will be authorized on Group D
   frequencies. Fixed stations may be licensed as mobile.

   (2) Group D frequencies subject to  Sec. 90.35(c)(63) are limited to central
   station alarm use within the urban areas described in  Sec. 90.35(c)(63). Outside
   the urban areas described in  Sec. 90.35(c)(63), Group D frequencies subject to
    Sec. 90.35(c)(63) are available for general Industrial/Business use on a
   coordinated basis, pursuant to  Sec. 90.35(b)(2) and  Sec. 90.175(b).

   (3) Group D frequencies subject to  Sec. 90.35(c)(66) are limited to central
   station alarm use nationwide.

   (4) Operation on Group D frequencies is limited to 2 watts output power for
   mobile, base or operational fixed stations. Fixed stations used for central
   station alarm operations may utilize antennas mounted not more than 7 meters
   (20 feet) above a man-made supporting structure, including antenna
   structure.

   (5) The Industrial/Business Pool Group D Low Power Frequencies are as
   follows:

460/465.90625                            460/465.95625
   461/466.00625
460/465.9125                             460/465.9625
   461/466.0125
460/466.91875                            460/465.96875
   461/466.01875
460/465.93125                            460/465.98125
460/465.9375                             460/465.9875
460/465.94375                            460/465.99375


   (g) Low Power Public Safety Frequencies. The frequencies in the Public
   Safety Pool Low Power Group are available nationwide on a coordinated basis,
   pursuant to  Sec. 90.20(c)(2) and  Sec. 90.175(b).

   (1) Base, mobile or operational fixed stations will be authorized on Public
   Safety Low Power frequencies. Fixed stations may be licensed as mobile.

   (2) Operation on these frequencies is limited to 6 watts effective radiated
   power for base, mobile or operational fixed stations and 2 watts ERP for
   portable units. A maximum antenna height of 7 meters (20 feet) above ground
   is authorized for fixed stations.

   (3) The Public Safety Pool Low Power Frequencies are as follows:

453/458.03125                  453/458.13125                  453/458.95625
                460/465.53125
453/458.0375                   453/458.1375                   453/458.9625
                460/465.5375
453/458.04375                  453/458.14375                  453/458.96875
                460/465.54375
453/458.05625                  453/458.88125                  453/458.98125
                460/465.55625
453/458.0625                   453/458.8875                   453/458.9875
                460/465.5625
453/458.06875                  453/458.89375                  453/458.99375
                460/465.56875
453/458.08125                  453/458.90625                  460/465.48125
453/458.0875                   453/458.9125                   460/465.4875
453/458.09375                  453/458.91875                  460/465.49375
453/458.10625                  453/458.93125                  460/465.50625
453/458.1125                   453/458.9375                   460/465.5125
453/458.11875                  453/458.94375                  460/465.51875


   (h) Unless otherwise noted, the following conditions apply to all low power
   frequencies:

   (1) Except for itinerant operations on Group C, wide area operations will
   not be authorized. The area of normal day-to-day operations will be
   described in the application in terms of maximum distance from a geographic
   center (latitude and longitude).

   (2) A hospital or health care institution holding a license to operate a
   radio station under this part may operate a medical radio telemetry device
   with an output power not to exceed 20 milliwatts without specific
   authorization from the Commission. All licensees operating under this
   authority must comply with the requirements and limitations set forth in
   this section.

   (3) No limit shall be placed on the length or height above ground level of
   any commercially manufactured radiating transmission line when the
   transmission line is terminated in a non-radiating load and is routed at
   least 7 meters (20 feet) interior to the edge of any structure or is routed
   below ground level.

   (4) Sea-based stations may utilize antennas mounted not more than 7 meters
   (20 feet) above a man-made supporting structure, including antenna
   structures.

   (5) Continuous carrier operations are prohibited on these frequencies.

   (6) Unless specified elsewhere in this part, licensees as of August 5, 1999,
   licensed for operations with an emission designator wider than 11.25 kHz on
   low power frequencies that are subject to an authorized bandwidth of 11.25
   kHz, may obtain primary status with respect to co-channel licensees by
   supplying their coordinates to the Commission. These licensees will continue
   to operate on a secondary basis with respect to adjacent channel licensees.
   Additionally, these licensees may continue to operate with an authorized
   bandwidth wider than 11.25 kHz on such low power frequencies, subject to the
   provisions of  Sec. 90.209(b) of this chapter.

   (7) Unless specified elsewhere in this part, licensees as of August 5, 1999,
   licensed for operations with an emission designator wider than 11.25 kHz on
   frequencies that are subject to an authorized bandwidth of 11.25 kHz, which
   are not low power frequencies, may obtain primary status with respect to
   co-channel licensees by modifying their license to low power frequencies,
   supplying their coordinates to the Commission, and otherwise complying with
   the conditions of paragraphs (b) through (g) of this section. These
   licensees will continue to operate on a secondary basis with respect to
   adjacent channel licensees. Additionally, these licensees may continue to
   operate with an authorized bandwidth wider than 11.25 kHz on such low power
   frequencies, subject to the provisions of  Sec. 90.209(b) of this chapter.

   (8) Applicants proposing to operate with an authorized bandwidth wider than
   11.25 kHz, on low power frequencies that are subject to an authorized
   bandwidth of 11.25 kHz, may be licensed on a secondary, non-interference
   basis. Such applicants are subject to the conditions of paragraphs (b)
   through (g) of this section and the provisions of  Sec. 90.209(b) of this
   chapter.

   [ 68 FR 19461 , Apr. 21, 2003;  68 FR 55319 , Sept. 25, 2003, as amended at  69 FR 4254 , Jan. 29, 2004]


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Goto Year: 2004 | 2006
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