The BPF-CA-7900-8400-CUSTOM-001233 / 001233 from DETI Microwave is a Band Pass Filter with Frequency 7.9 to 8.4 GHz, Insertion Loss 1.1 dB, Upper Rejection 50 dB @11.85 to 18 GHz, Lower Rejection 53 to 70 dB @0 to 7750 MHz, Power 40 W. Tags: Module with Connectors, Cavity Filter. More details for BPF-CA-7900-8400-CUSTOM-001233 / 001233 can be seen below.