Airvine, the first company to develop a multi-Gigabit-speed wireless backhaul system for indoor connectivity, announced the close of its Series A funding round. Crosslink Capital of Menlo Park, CA led the round, which totaled $6.2M and closed at the end of February. Airvine will use the funding for ongoing product development and to expand the sales team in order to take advantage of increased interest from customers in the company's target markets.