The TWX-150 from Telewave is a Band Pass Filter with Frequency 25 to 220 MHz, Insertion Loss 5 to 7 dB, Rejection 50 to 60 dB, VSWR 1.20:1, Operating_Temperature -20 to 70 Degree C. Tags: Module with Connectors, Crystal Filter. More details for TWX-150 can be seen below.