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The ATF-331M4 from Avago Technologies is a RF Transistor with Frequency 450 to 10000 MHz, Noise Figure 0.6 dB, Supply Voltage 4.0V, Current 60 mA. More details for ATF-331M4 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
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You can now find similar products from multiple companies on everything RF.