The MLFD-46018 from Micro Lambda Wireless, Inc. is a Tunable Filter with Tunable Frequency 6 to 18 GHz, Bandwidth 30 MHz, Rejection 70 dB, Input Power 10 dBm(Limiting), Insertion Loss 4 dB. Tags: Module with Connectors, YIG Filter. More details for MLFD-46018 can be seen below.