The MLFP-22018 from Micro Lambda Wireless, Inc. is a Tunable Filter with Tunable Frequency 2 to 18 GHz, Bandwidth 20 MHz, Rejection 45 dB, Input Power 10 dBm(Limiting), Insertion Loss 4 dB. Tags: Module with Connectors, YIG Filter. More details for MLFP-22018 can be seen below.