The LB140/10OK-A1 from G-WAY Microwave is a Band Pass Filter with Frequency 135 to 145 MHz, Bandwidth 10 MHz, Center Frequency 140 MHz, Insertion Loss 1.1 dB, Rejection 15 to 40 dB. Tags: Module with Connectors, Cavity Filter. More details for LB140/10OK-A1 can be seen below.