The ELHA500P2500D45F from ECHO Microwave is a RF High Pass Filter with Frequency 500 to 3000 MHz, Bandwidth 2500 MHz, Insertion Loss 2 dB, Rejection 45 dB (300MHz), Return Loss 14 dB. Tags: Surface Mount, Lumped Component Filter. More details for ELHA500P2500D45F can be seen below.