The ELHA1000C40F from ECHO Microwave is a RF High Pass Filter with Frequency 1000 to 2000 MHz, Bandwidth 1000 MHz, Insertion Loss 1.5 dB, Rejection 40 dB(DC-800MHz), Return Loss 15 dB. Tags: Surface Mount, Lumped Component Filter. More details for ELHA1000C40F can be seen below.