The ELHA430P420B10FQ from ECHO Microwave is a RF High Pass Filter with Frequency 430 to 850 MHz, Bandwidth 420 MHz, Insertion Loss 0.7 dB, Rejection 40 dB (DC-300MHz), 10 dB (400MHz), Return Loss 15 dB. Tags: Surface Mount, Lumped Component Filter. More details for ELHA430P420B10FQ can be seen below.