The ELLA746C20F from ECHO Microwave is a Low Pass Filter with Frequency 0 to 746 MHz, Bandwidth 746 MHz, Insertion Loss 1.5 dB, Rejection 20 min. @ 824 ~ 1500MHz, 5 min. @ 1500 ~ 2155MHz, Return Loss 15 dB. Tags: Surface Mount, Lumped Component Filter. More details for ELLA746C20F can be seen below.