The SGN1214-220H-R from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 1.2 to 1.4 GHz, Power 53.4 to 54.3 dBm, Power(W) 218.78 to 269.15 W, Duty_Cycle 10 to 25%, Power Gain (Gp) 16.9 to 17.8 dB. Tags: Flanged. More details for SGN1214-220H-R can be seen below.