Telefonica backs the US-based wi-fi networking company for home entertainment joining Swisscom, Sequoia and Venrock, among other backers of the company.

Telefonica’s corporate venturing unit yesterday signed its first deal following a restructuring of the Spain-based telecoms company to house the venture group in the company’s newly formed digital division. Terms were undisclosed, although it is understood the investment was in the single-digit millions.

Telefonica Ventures has joined Swisscom Ventures, the corporate venturing unit of the Swiss-based telecoms group, backing Quantenna Communications, a US-based wi-fi networking company for home entertainment. Other backers of the company are venture firms Sequoia Capital,…