The MLUN-0206 from Micro Lambda Wireless, Inc. is a Tunable Filter with Frequency DC to 6.2 GHz, Tunable Frequency 2.0 to 6 GHz, Bandwidth 23 MHz, Rejection 40 to 60 dB, Input Power 10 to 28 dBm. Tags: Module with Connectors, YIG Filter. More details for MLUN-0206 can be seen below.