The Infineon silicon germanium carbon (SiGe:C) NPN heterojunction wideband bipolar RF transistor (HBT), It is wireless communications: WLAN, WiMax and UWB.
Low noise figure NFmin 0.85 dB at 5.5 GHz, 3 V, 6 mA High gain Gms 19.5 dB at 5.5 GHz, 3 V, 15 mA OIP3 24.5 dBm at 5.5 GHz, 3 V, 15 mA