The MLFR-0212 from Micro Lambda Wireless, Inc. is a Tunable Filter with Frequency DC to 18 GHz, Tunable Frequency 2 to 12 GHz, Bandwidth 10 MHz, Rejection 40 dB, Input Power 10 to 28 dBm. Tags: Module with Connectors, YIG Filter. More details for MLFR-0212 can be seen below.