BUY SD2931-11 https://www.utsource.net/itm/p/1537759.html
TRANS RF N-CH HF/VHF/UHF
Description: The SD2931-11 is a high-performance NPN silicon RF transistor designed for use in broadband commercial and industrial applications. It is manufactured using STMicroelectronics' advanced BCDMOS process and is housed in a low-profile, surface-mount package. Features: High gain High power output Low noise figure High linearity Low distortion Low thermal resistance High reliability Low-profile surface-mount package Applications: The SD2931-11 is suitable for use in a variety of applications, including: Cellular base stations Wireless LANs WiMAX Bluetooth RFID Automotive Industrial (For reference only)