The BN: 610003 from Spinner Group is a Band Stop Filter with Stopband Frequency 925 to 959.3 MHz, Insertion Loss 1 to 13 dB, Power 10 W, Return Loss 1.5 to 14 dB, Operating_Temperature -25 to 55 Degree C. Tags: Module with Connectors. More details for BN: 610003 can be seen below.