Mitsubishi RA30H1317M1-501 30 Watt RF MosFET amplifier module for 12.5 vdc mobile Radios that operate in the 135 to 175MHz bands.   The RA30H1317M1 modules have a metal shield  for lower spurious radiation, and a flat rear mounting flange, and can be used as a replacement for the RA30H1317M plastic package and RA30H1317M1-101 suffix modules.  These modules are suitable for both non linear FM and Linear SSB type modes by adjusting the bias voltage. 

Module Size: 67mm L x 19.4mm W x 9.9mm H.  For further information please see the Mitsubishi RA30H1317M1 Data sheet

PLEASE NOTE: THESE ARE GENUINE MITSUBISHI MANUFACTURED IN JAPAN