Goto Section: 15.517 | 15.521 | Table of Contents

FCC 15.519
Revised as of October 1, 2010
Goto Year:2009 | 2011
  §  15.519   Technical requirements for hand held UWB systems.

   (a) UWB devices operating under the provisions of this section must be
   hand held, i.e., they are relatively small devices that are primarily
   hand held while being operated and do not employ a fixed
   infrastructure.

   (1) A UWB device operating under the provisions of this section shall
   transmit only when it is sending information to an associated receiver.
   The UWB intentional radiator shall cease transmission within 10 seconds
   unless it receives an acknowledgement from the associated receiver that
   its transmission is being received. An acknowledgment of reception must
   continue to be received by the UWB intentional radiator at least every
   10 seconds or the UWB device must cease transmitting.

   (2) The use of antennas mounted on outdoor structures, e.g., antennas
   mounted on the outside of a building or on a telephone pole, or any
   fixed outdoors infrastructure is prohibited. Antennas may be mounted
   only on the hand held UWB device.

   (3) UWB devices operating under the provisions of this section may
   operate indoors or outdoors.

   (b) The UWB bandwidth of a device operating under the provisions of
   this section must be contained between 3100 MHz and 10,600 MHz.

   (c) The radiated emissions at or below 960 MHz from a device operating
   under the provisions of this section shall not exceed the emission
   levels in § 15.209. The radiated emissions above 960 MHz from a device
   operating under the provisions of this section shall not exceed the
   following average limits when measured using a resolution bandwidth of
   1 MHz:
   Frequency in MHz EIRP in dBm
   960-1610               -75.3
   1610-1990              -63.3
   1990-3100              -61.3
   3100-10600             -41.3
   Above 10600            -61.3

   (d) In addition to the radiated emission limits specified in the table
   in paragraph (c) of this section, UWB transmitters operating under the
   provisions of this section 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              -85.3
   1559-1610              -85.3

   (e) 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, f[M]. 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.

   [ 67 FR 34856 , May 16, 2002;  67 FR 39632 , June 10, 2002]


Goto Section: 15.517 | 15.521

Goto Year: 2009 | 2011
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