LAM Communications on X: "Kenwood LF-30A USED | 12 Months Warranty Low pass filter for shortwave reduces TVI and BCI. The filter is between transceiver and antenna, Impedance 50 Ω, insertion loss
Kenwood TS-430S Low Pass Filter Unit Working Pull | eBay
Prevent TVI & RFI with the PB-LPF1500-54 Low Pass Filter - Unboxing & VSWR Testing (video) - SZ1A