Goto Section: 24.237 | 24.239 | Table of Contents

FCC 24.238
Revised as of October 1, 2005
Goto Year:2004 | 2006
Sec.  24.238   Emission limitations for Broadband PCS equipment.

   The rules in this section govern the spectral characteristics of emissions
   in the Broadband Personal Communications Service.

   (a) Out of band emissions. The power of any emission outside of the
   authorized operating frequency ranges must be attenuated below the
   transmitting power (P) by a factor of at least 43 + 10 log(P) dB.

   (b) Measurement procedure. Compliance with these rules is based on the use
   of measurement instrumentation employing a resolution bandwidth of 1 MHz or
   greater. However, in the 1 MHz bands immediately outside and adjacent to the
   frequency block a resolution bandwidth of at least one percent of the
   emission bandwidth of the fundamental emission of the transmitter may be
   employed. A narrower resolution bandwidth is permitted in all cases to
   improve measurement accuracy provided the measured power is integrated over
   the full required measurement bandwidth (i.e. 1 MHz or 1 percent of emission
   bandwidth, as specified). The emission bandwidth is defined as the width of
   the signal between two points, one below the carrier center frequency and
   one above the carrier center frequency, outside of which all emissions are
   attenuated at least 26 dB below the transmitter power.

   (c) Alternative out of band emission limit. Licensees in this service may
   establish an alternative out of band emission limit to be used at specified
   band edge(s) in specified geographical areas, in lieu of that set forth in
   this section, pursuant to a private contractual arrangement of all affected
   licensees and applicants. In this event, each party to such contract shall
   maintain a copy of the contract in their station files and disclose it to
   prospective assignees or transferees and, upon request, to the FCC.

   (d) Interference caused by out of band emissions. If any emission from a
   transmitter operating in this service results in interference to users of
   another radio service, the FCC may require a greater attenuation of that
   emission than specified in this section.

   [ 67 FR 77192 , Dec. 17, 2002]

Policies Governing Microwave Relocation From the 1850–1990 MHz Band


Goto Section: 24.237 | 24.239

Goto Year: 2004 | 2006
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