Premium ANSI-compliant dynamic DSL filter for installations with five or more phone jacks in use. May also be used in homes with fewer than five phone jacks in use. "Dynamic" filters minimize capacitance created by five or more filters on the phone, by activating only when a phone is in use (capacitance degrades voice quality and Caller ID performance). Mix-n-match with up to five non-dynamic Z-BLOCKER filters -- no need to replace your original filters. Ideal for blocking radio frequency (RF) interference from cordless phones and other sources for uninterrupted video/audio streaming and games. Effectively filters one or more phone devices (standard or cordless phone, answering machine, dial-up modem, fax machine, etc.). Use one filter at each phone jack in use in the home or office. Isolates DSL and home phoneline networking (HPN) signals from voice signal for peak data performance and voice quality. Provides one unfiltered convenience jack for DSL modem or HPN device, plus one filtered jack for any phone device.
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