Quantenna Communications, a provider of Wi-Fi video networking for whole-home entertainment, has closed a $21 million Series E funding round led by new investor DAG Ventures. ?Quantenna’s funding will be used to help extend its position in 4×4 MIMO 802.11n Wi-Fi chipsets and accelerate product deployment through carriers and retail channels worldwide.

“Quantenna’s industry-leading 4×4 MIMO technology enables pervasive HD video streaming over Wi-Fi networks, and there is huge demand for this new threshold of performance as measured in bandwidth and reliability,” said David French, Quantenna’s CEO, in a statement.

In addition to incorporating all specifications of the IEEE802.11n standard including 4×4 MIMO, the Quantenna solution incorporates extensions to the IEEE802.11n standard including dynamic digital beamforming, wireless channel monitoring and optimizing. These features enable Wi-Fi home networks to deliver the same quality as wired Ethernet while guaranteeing compatibility with existing and future IEEE 802.11n-compliant products.

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