The MGF4935AM from Mitsubishi Electric US, Inc. is a RF Transistor with Frequency DC to 12 GHz, Gain 11 to 12 dB, Noise Figure 0.45 to 0.65 dB, Supply Voltage 2 V, Operating Temperature -55 to 125 Degree C. Tags: Flanged. More details for MGF4935AM can be seen below.