Mitsubishi RA30H4452M UHF 30W PA module.  

Red Part No: RYB0111

1Used in a high number of two way radios as Transmitter PA device, including Kenwood, HYT, Maxon, Vertex and Icom transceivers.  This device is used extensively in many high power radio transmitters.

This is an original Part, manufactured by Mitsubishi and used in many radios, but now obsolete and no longer manufactured.  Once our stock is run out we will not be able to source more.