In-line Z-BLOCKER® filter for two-line phones or telephone equipment. Filters both line 1 and line 2. Works with any single or two-line phone, fax machine or dial-up modem
Provides a DSL convenience jack for connecting a DSL modem or HPN device. Plugs into any standard phone jack.
Blocks interference between voice and DSL/HPN.
Z-BLOCKER is a registered trademark of Excelsus Technologies, Inc.
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