Arris timed its WiFi 6 product unveiling to perfection, sliding out a release just as guidelines for the forthcoming wireless technology were published this week (see separate story in this issue). The US network equipment heavyweight is claiming the first true tri-band WiFi 6 mesh system, putting Arris in poll position to profit from the proliferation of WiFi 6, although competition has been arriving hard and fast. Acquired by CommScope earlier this year, we feared Arris might disappear into the shadows. Alas, the brand powers on and so does the trailblazing technology, launching the SURFboard mAX Gigabit WiFi Pro and Plus systems, claiming to be the only devices on the market using WiFi 6 on each of three separate bands…