The LB144/72OK-A-1 from G-WAY Microwave is a Band Pass Filter with Frequency 108 to 180 MHz, Bandwidth 72 MHz, Center Frequency 144 MHz, Insertion Loss 0.7 dB, Rejection 20 to 30 MHz. Tags: Module with Connectors, Cavity Filter. More details for LB144/72OK-A-1 can be seen below.