The 2601.17.0001 from HUBER+SUHNER is a Band Stop Filter with Stopband Frequency 873 to 880 MHz / 918 to 925 MHz, Insertion Loss 0.3 to 1 dB, Rejection 50 dB, Power 50 W, Return Loss 12 to 16 dB. Tags: Module with Connectors. More details for 2601.17.0001 can be seen below.