The MLFR-160418 from Micro Lambda Wireless, Inc. is a Tunable Filter with Frequency DC to 18 GHz, Tunable Frequency 4 to 18 GHz, Bandwidth 30 MHz, Rejection 40 dB, Input Power 10 to 28 dBm. Tags: Module with Connectors, YIG Filter. More details for MLFR-160418 can be seen below.