The FSX017X from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 8 GHz, Power 20.5 to 21.5 dBm, Power(W) 0.11 to 0.14 W, P1dB 20.5 to 21.5 dBm, Power Gain (Gp) 7.5 to 15 dB. Tags: Chip. More details for FSX017X can be seen below.