The DPX202690DT-4084A1 is a 0805 diplexer manufactured by TDK. This diplexer is a RoHS compliant device consisting of two separate filters for both transmit and receive paths. It is a low-profile, high-performance design with an insertion loss of less than 1.0dB from 0.4 to 4.0GHz. The DPX202690DT-4084A1 provides isolation greater than 20dB between the two ports, making it ideal for Wi-Fi, GSM/CDMA, Bluetooth and other wireless communications applications. Its small size allows for more efficient layout and easy installation.