The WTRCT8-670-1000-5-10-40M-9 from Wainwright Instruments is a Tunable Filter with Frequency 0.67 to 1 GHz, Tunable Frequency 330 MHz, Bandwidth 5 MHz, Rejection 40 dB, Insertion Loss 0.6 to 1.5 dB. Tags: Module with Connectors, Digitally Controlled. More details for WTRCT8-670-1000-5-10-40M-9 can be seen below.