The MRF5S9100N from NXP Semiconductors is a RF Transistor with Frequency 880 to 960 MHz, Gain 19.5 dB at 19.5 MHz, Power 100 W, P1dB 100 W, Supply Voltage 26 V. More details for MRF5S9100N 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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