The 1080-049 from Southwest Antennas is a Band Pass Filter with Frequency 875 MHz to 1.01 GHz, Insertion Loss 1.1 dB, Rejection 30 to 49 dB, Power 10 W, Return Loss ±0.2 dB. Tags: Module with Connectors, Ceramic Filter. More details for 1080-049 can be seen below.