The MLFR-1218 from Micro Lambda Wireless, Inc. is a Tunable Filter with Frequency DC to 18 GHz, Tunable Frequency 12.4 to 18 GHz, Bandwidth 25 MHz, Rejection 40 dB, Input Power 13 to 30 dBm. Tags: Module with Connectors, YIG Filter. More details for MLFR-1218 can be seen below.