The LB140/30OK-A1 from G-WAY Microwave is a Band Pass Filter with Frequency 125 to 155 MHz, Bandwidth 30 MHz, Center Frequency 140 MHz, Insertion Loss 0.8 dB, Rejection 15 to 40 dB. Tags: Module with Connectors, Cavity Filter. More details for LB140/30OK-A1 can be seen below.