The MLFR-0220 from Micro Lambda Wireless, Inc. is a Tunable Filter with Frequency DC to 20 GHz, Tunable Frequency 2 to 20 GHz, Bandwidth 40 MHz, Rejection 40 dB, Input Power 10 to 28 dBm. Tags: Module with Connectors, YIG Filter. More details for MLFR-0220 can be seen below.