Sec. 90.201  Scope.

    This subpart sets forth the general technical requirements for use 
of frequencies and equipment in the radio services governed by this 
part. Such requirements include standards for acceptability of 
equipment, frequency tolerance, modulation, emissions, power, and 
bandwidths. Special additional technical standards applicable to certain 
frequency bands and certain specialized uses are set forth in subparts 
J, K, and N.
[ 43 FR 54791 , Nov. 22, 1978, as amended at  54 FR 4030 , Jan. 27, 1989]