The WTBCTV5-2110-2210-10-35-40-4 from Wainwright Instruments is a Tunable Filter with Frequency 2.11 to 2.21 GHz, Tunable Frequency 100 MHz, Bandwidth 10 MHz, Rejection 40 dB, Insertion Loss 2.75 to 3 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCTV5-2110-2210-10-35-40-4 can be seen below.