The ELEHA430A40A from ECHO Microwave is a RF High Pass Filter with Frequency 430 to 850 MHz, Bandwidth 420 MHz, Insertion Loss 0.5 dB, Rejection 40 dB (DC-300 MHz), Return Loss 15 dB. Tags: Module with Connectors, Lumped Component Filter. More details for ELEHA430A40A can be seen below.