The EMA4H4600P72G40D from ECHO Microwave is a Band Pass Filter with Frequency 4.56 to 4.64 GHz, Insertion Loss 3.5 dB, Rejection 40 dB @ 4460 MHz, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA4H4600P72G40D can be seen below.