Apple may not be the invincible force it once was in mobile, but it is still unrivalled in its ability to scatter stardust over new technologies – just ask the companies which struggled to push WiFi Calling or wireless charging into the mainstream before the iPhone maker came along. Now it has kindled new sparks of enthusiasm, or perhaps hype, around millimeter wave spectrum by applying for an experimental licence to test high frequency bands in the US. The mmWave bands are being closely watched as a potential new source of plentiful spectrum capacity. However, despite some interesting trials in Japan and South Korea, the major commercially oriented activity is confined to the US and fixed wireless access. Also, the…