Reply-To: janne@koti.com NNTP-Posting-Host: janne.ni.net For those of you still looking for a solution to BitSurfr Pro's POTS radio frequency inteference. I ordered single line RF-1 0.5kHz-3MHz telephone-line modular from K-Com P.O.Box 82, Randolph OH, 44265. Phone (216) 325-2110 Fax (216) 325-2525 I had extremely loud inteference and thought it would be too much for any filter, but this one really worked for $ 16.95. Sound on POTS lines is clean now and even though I have connected the house wiring to POTS 1. Janne Lahteenmaki