This is a professional grade DSL filter used for phone, fax, answering machine and other voice devices. This filter connects between the wall jack and the device and provides a single filtered jack for the highest quality voice device communications.
- Filters unwanted noise in a DSL line
- Fits between the phone line and your telephone device
- Low pass design protects device from high-frequency noise
- Protects DSL signal from noise added by analog phones
- Easy to use, simple to install