The TWFCB-868M10-C47M60-BN03 from Techniwave is a Band Pass Filter with Frequency 863 to 873 MHz, Bandwidth 10 MHz, Center Frequency 868 MHz, Insertion Loss 1.0 dB, Upper Rejection 60 to 80 dB @ 925 to 2700 MHz. Tags: Module with Connectors. More details for TWFCB-868M10-C47M60-BN03 can be seen below.