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The MDS140L from Microsemi is a RF Transistor with Frequency 1030 to 1090 MHz, Gain 9.5 dB, Power 140 W, Input Power 15.7 W, Supply Voltage 50 V. More details for MDS140L can be seen below.
1805 to 1880 MHz, 89 W Airfast RF Power LDMOS Transistor
4500 to 5900 MHz GaN HEMT for C-Band Radar Systems
GaN HEMT Transistor 1.2 to 1.4 GHz
You can now find similar products from multiple companies on everything RF.