The LB70/10OK-A4 from G-WAY Microwave is a Band Pass Filter with Frequency 65 to 75 MHz, Bandwidth 10 MHz, Center Frequency 70 MHz, Insertion Loss 0.8 dB, Rejection 15 to 40 dB. Tags: Module with Connectors, Cavity Filter. More details for LB70/10OK-A4 can be seen below.