MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
Opt-001 adds step attenuator; opt-008 1hz frequency resolution; opt-h53m35dbc harmonics, p20dbm reverse power protection, 50khz to 1mhz fm modulation rates, peak fm deviation specified, internal reference oscillator aging rate specified, standard brodge detector replaced with directional coupler and detector able to withstand p20dbm reverse power and fm gain deviation accuracy (10%) at 100khz
