The SGN2729-600H-R from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 2.7 to 2.9 GHz, Power 57.7 to 58.45 dBm, Power(W) 600 to 700 W, Power Gain (Gp) 12.8 to 13.5 dB, VSWR 10.00:1. Tags: Flanged. More details for SGN2729-600H-R can be seen below.