Goto Section: 24.237 | 24.239 | Table of Contents
FCC 24.238
Revised as of October 1, 2008
Goto Year:2007 |
2009
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: 2007 |
2009
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