The BWLF-6G from Sainty-Tech Communications Limited is a Low Pass RF Filter with Frequency DC to 6 GHz, 3 dB Cutoff Frequency 6 GHz, Insertion Loss 1.6 dB @6.0GHz, Rejection 20 dB @8.45GHz, 40 dB @9.35GHz, Power 30 dBm. Tags: Die. More details for BWLF-6G can be seen below.