RadioThe SM340BF is an SMB-FL RoHS compliant radio frequency (RF) electronic part manufactured by Leshan Radio. It is a digital block downconverter module designed for passive intermodulation interference reduction of wireless signals. The SM340BF uses the latest 140-millimeter SiGe BiCMOS semiconductor process to enable efficient signal blending, providing superior RF performance with a dynamic range of up to 140dB. Moreover, it features an internal voltage regulator, a low-noise amplifier, and a mixer. It is also suited for high frequency applications such as satellite communication, car radio, air navigation, and wireless communication systems.