The MLFP-70520 from Micro Lambda Wireless, Inc. is a Tunable Filter with Tunable Frequency 500 MHz to 2 GHz, Bandwidth 20 MHz, Rejection 80 dB, Input Power 5 dBm(Limiting), Insertion Loss 10 dB. Tags: Module with Connectors, YIG Filter. More details for MLFP-70520 can be seen below.