The WTRCT8-830-1160-20-40-40M from Wainwright Instruments is a Tunable Filter with Frequency 0.83 to 1.16 GHz, Tunable Frequency 330 MHz, Bandwidth 20 MHz, Rejection 40 dB, Insertion Loss 0.6 to 1 dB. Tags: Module with Connectors, Digitally Controlled. More details for WTRCT8-830-1160-20-40-40M can be seen below.