The RMFI.2500Sfm from Response Microwave Inc is a Low Pass RF Filter with Frequency DC to 2500 MHz, Insertion Loss 0.25 dB, Rejection 60 dB, Power 1 W, VSWR 1.30:1. Tags: Module with Connector, Chebyshev Filter. More details for RMFI.2500Sfm can be seen below.