Goto Section: 15.509 | 15.511 | Table of Contents

FCC 15.510
Revised as of January 22, 2019
Goto Year:2018 | 2020
  § 15.510   Technical requirements for through D-wall imaging systems.

   (a) The UWB bandwidth of an imaging system operating under the
   provisions of this section must be below 960 MHz or the center
   frequency, fC, and the frequency at which the highest radiated emission
   occurs, fM, must be contained between 1990 MHz and 10600 MHz.

   (b) Operation under the provisions of this section is limited to
   through-wall imaging systems operated by law enforcement, emergency
   rescue or firefighting organizations that are under the authority of a
   local or state government.

   (c) For through-wall imaging systems operating with the UWB bandwidth
   below 960 MHz:

   (1) Parties operating this equipment must be eligible for licensing
   under the provisions of part 90 of this chapter.

   (2) The operation of these imaging systems requires coordination, as
   detailed in § 15.525.

   (3) The imaging system shall contain a manually operated switch that
   causes the transmitter to cease operation within 10 seconds of being
   released by the operator. In lieu of a switch located on the imaging
   system, it is permissible to operate an imaging system by remote
   control provided the imaging system ceases transmission within 10
   seconds of the remote switch being released by the operator.

   (4) The radiated emissions at or below 960 MHz shall not exceed the
   emission levels in § 15.209. The radiated emissions above 960 MHz shall
   not exceed the following average limits when measured using a
   resolution bandwidth of 1 MHz:
   Frequency in MHz EIRP in dBm
   960-1610               −65.3
   1610-1990              −53.3
   Above 1990              −51.3

   (5) In addition to the radiated emission limits specified in the table
   in paragraph (c)(4) of this section, emissions from these imaging
   systems shall not exceed the following average limits when measured
   using a resolution bandwidth of no less than 1 kHz:
   Frequency in MHz EIRP in dBm
   1164-1240              −75.3
   1559-1610               −75.3

   (d) For equipment operating with fC and fM between 1990 MHz and 10600
   MHz:

   (1) Parties operating this equipment must hold a license issued by the
   Federal Communications Commission to operate a transmitter in the
   Public Safety Radio Pool under part 90 of this chapter. The license may
   be held by the organization for which the UWB operator works on a paid
   or volunteer basis.

   (2) This equipment may be operated only for law enforcement
   applications, the providing of emergency services, and necessary
   training operations.

   (3) The radiated emissions at or below 960 MHz shall not exceed the
   emission levels in § 15.209 of this chapter. The radiated emissions
   above 960 MHz shall not exceed the following average limits when
   measured using a resolution bandwidth of 1 MHz:
   Frequency in MHz EIRP in dBm
   960-1610               −46.3
   1610-10600             −41.3
   Above 10600             −51.3

   (4) In addition to the radiated emission limits specified in the
   paragraph (d)(3) of this section, emissions from these imaging systems
   shall not exceed the following average limits when measured using a
   resolution bandwidth of no less than 1 kHz:
   Frequency in MHz EIRP in dBm
   1164-1240              −56.3
   1559-1610               −56.3

   (5) There is a limit on the peak level of the emissions contained
   within a 50 MHz bandwidth centered on the frequency at which the
   highest radiated emission occurs, fM. That limit is 0 dBm EIRP. It is
   acceptable to employ a different resolution bandwidth, and a
   correspondingly different peak emission limit, following the procedures
   described in § 15.521.

   (e) Through-wall imaging systems operating under the provisions of this
   section shall bear the following or similar statement in a conspicuous
   location on the device: “Operation of this device is restricted to law
   enforcement, emergency rescue and firefighter personnel. Operation by
   any other party is a violation of 47 U.S.C. 301 and could subject the
   operator to serious legal penalties.”

   [ 68 FR 19750 , Apr. 22, 2003]

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Goto Section: 15.509 | 15.511

Goto Year: 2018 | 2020
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