Common Mode Noise Filter – Coax Mix 75 Store / Mix 75 Ring - Mix 75 RFI Range: 150 Khz-10 MHz Ring - Mix 75 RFI Range: 150 Khz-10 MHz Snap On - Mix 75 - RFI Range 150 KHz-10 MHz Snap On - Mix 75 - RFI Range 150 KHz-10 MHz Slip On - Mix 75 - RFI Range 150 KHz-10 MHz Slip On - Mix 75 - RFI Range 150 KHz-10 MHz Typical user comment: The filter was quite effective. Was surprised that it actually reduced the noise level more than the signal so S+N/N improved by 1.9 S units. Bill