3x recently-adopted #WiFi standards
| 802.11ad (AD) |2012: for multigigabit speeds (sans wires) & high-perf networking
| 802.11af (AF) |2014: for applications similar to HaLow
| 802.11ah (HaLow) |2016: for low data rate, long-range sensors and controllers https://buff.ly/2lfZb7b