BUY 2N5642 https://www.utsource.net/itm/p/322283.html
silicon transistors UHF/VHF power transistors
Description: The 2N5642 is a silicon NPN epitaxial planar transistor designed for RF and general purpose amplifier applications. Features: High Gain Low Noise Figure High Output Power Low Distortion Low Thermal Resistance High Reliability Applications: RF Amplifier Low Noise Amplifier High Frequency Amplifier General Purpose Amplifier (For reference only)