The MRF8P9040N from NXP Semiconductors is a RF Transistor with Frequency 728 to 960 MHz, Gain 19.1 dB at 19.1 MHz, Power 42 W, P1dB 42 W, Supply Voltage 28 V. More details for MRF8P9040N 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
You can now find similar products from multiple companies on everything RF.