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Excelsus is the number one. ● Minimize voice band interference --- transmission, signaling and supervision. SOLD IN SETS OF 2. ● FCC 47 CFR Part 68, IC CS-03, UL 60950, and CSA 22.2 No. 60950 compliant and listed.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.