The ECLA1000B60B from ECHO Microwave is a Low Pass RF Filter with Frequency 0 to 1000 MHz, Bandwidth 1000 MHz, Insertion Loss 0.8 dB, Rejection 60 @ 1570~1600 MHz, 20 @ 1600~2500 MHz, Return Loss 12 dB. Tags: Module with Connector, Cavity Filter. More details for ECLA1000B60B can be seen below.