The MLFM-42008 from Micro Lambda Wireless, Inc. is a Tunable Filter with Tunable Frequency 2 to 8 GHz, Bandwidth 30 MHz, Rejection 80 dB, Input Power 10 dBm(Limiting), Insertion Loss 5 dB. Tags: Module with Connectors, YIG Filter. More details for MLFM-42008 can be seen below.