The ECLA2600B70B from ECHO Microwave is a Low Pass RF Filter with Frequency 0 to 2600 MHz, Bandwidth 2600 MHz, Insertion Loss 0.9 dB, Rejection 70 @ 3500~5000 MHz, Return Loss 15 dB. Tags: Module with Connector, Cavity Filter. More details for ECLA2600B70B can be seen below.