Wave 2 Wi-Fi may be a sleeper, but it's great for some

As the Wi-Fi Alliance starts certifying the latest gigabit-speed products to work together, users may not get as excited as they did for some earlier standards.On Wednesday, the industry group launched its certification program for IEEE 802.11ac Wave 2, a technology that’s been on the market for more than a year.Wave 2 can deliver up to 6.8Gbps (bits per second) and lets an access point talk to more than one device at a time. But due to issues like timing and wired backhaul, Wave 2 adoptio