The AWT-BPF4100BW1400-Q08 from AWG Tech is a Band Pass Filter with Frequency 3.4 to 4.8 GHz, Bandwidth 1400 MHz, Center Frequency 4100 MHz, Insertion Loss 3 dB, Rejection 65dB @ 2225 - 3025 MHz. Tags: Module with Connectors, Cavity Filter. More details for AWT-BPF4100BW1400-Q08 can be seen below.