Table 1.

Existing industrial wireless communication standards at sub-6 and sub-7 GHz.

Wireless standard	IEEE PHY standard	Operatingfrequency band(GHz)
WirelessHART	802.15.4	2.4
ISA100; WIA-PA	802.15.4	2.4
Zigbee	802.15.4	2.4
WISA/WSAN-FA	802.15.1	2.4
Bluetooth	802.15.1	2.4
WIA-FA	802.11	2.4
Wi-Fi 5	802.11ac	5
Wi-Fi 6	802.11ax	2.4/5.15–5.83
Wi-Fi 6E	802.11ax	2.4/5.92–7.125
Wi-Fi 7	802.11be	2.4/5.92–7.125