The 9LP290-3B-SFF from Quantic PMI (Planar Monolithics) is a Low Pass RF Filter with Frequency DC to 290 MHz, Insertion Loss 2 dB, Rejection -60dBc @ 500 to 2000MHz, VSWR 1.5:1. Tags: Module with Connector. More details for 9LP290-3B-SFF can be seen below.