Phone RFI Filter TF-1 

Temporary out of stock!

TF-1 is a telephone or modem type RF filter and serves to supress HF radio interference from near-by transmitters and other electronic devices. The TF-1 filter is terminated with RJ-11 plug and works with any type of home phones (icluding cordless and 2-line phones)and dial-up modems. Plug the filter between your phone (modem) and telephone line.

Cutoff frequency (Fc) - 500 KHz;
Attenuation (F > Fc) - 50 dB, or better;
Weight - less than 100g;
Type of connector - RJ11

Price: $10.00
Shipping: $5.50 (up to 5 filters anywhere in the U.S. and Canada)

To order e-mail: