The EMA8D1000P10B45D from ECHO Microwave is a Band Pass Filter with Frequency 995 MHz to 1.01 GHz, Insertion Loss 1 dB, Rejection 45 dB @ DC to 900 MHz, Return Loss 18 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8D1000P10B45D can be seen below.