The MRF6VP3450H from NXP Semiconductors is a RF Transistor with Frequency 470 to 860 MHz, Gain 22.5 dB at 22.5 MHz, Power 450 W, P1dB 450 W, Supply Voltage 50 V. More details for MRF6VP3450H can be seen below.
450 Watt, 50 Volt, 3.1 to 3.5 GHz, GaN RF IMFET
15 Watt, 50 Volt, DC to 4 GHz, GaN RF Transistor
15W, 300 MHz to 1.215 GHz, GaN RF Input-Matched Transistor
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