Excelsus DSL Filter Z-blocker Model Z-330w Wall Mount Phone Plus Adapter new

Excelsus DSL Filter Z-blocker Model Z-330w Wall Mount Phone Plus Adapter Excelsus Z-Blocker DSL filter, model Z-330W. It prevents interference between DSL internet and phone lines. Installation: Easy to install without tools. Function: Isolates DSL signals from voice signals, improving data and voice quality. Compatibility: Works with phones, fax machines, and answering machines. Filtering: Blocks DSL and other radio frequencies up to 400 MHz. Manufacturer: Excelsus