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By Vassil Palankovski, Rüdiger Quay. Communication and information systems are subject to rapid and highly so phisticated changes. In the very high-frequency range, cut-off frequencies up to 500 GHz [557] have been reported on the device level.
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.