About US

Excelsus® is Pulse’s innovative line of products that deliver broadband Internet access and home networking over conventional telephone lines. Our Z-BLOCKER® phone filters are the top sellers among telecom carriers, ISPs and consumers in the U.S. and around the world.


May 31, 2006Pulse and Comtrend Demonstrate Error-Free Internet Protocol Television over VDSL2
April 1, 2006Alarm Panel DSL Filter to be Featured at IFSEC 2006
June 3, 2003Pulse Introduces ETSI-Compliant Excelsus® Central Office DSL Splitter Circuits For Europe


November 6, 2006TelcoTV Conference & Expo
October 9, 2006Broadband World Forum Europe

In The News

August 28, 2001Excelsus Alarm Filter Wins Product Achievement Award at ISC New Product Showcase