In a new report just released, industry analyst firm VDC says that while 802.11 usage will grow from $168 Million to $543.9 Million by 2012, and proprietary field networks will grow from $111.2 to $273.7 Million, standards based field networks like WirelessHART, Zigbee and ISA100.11a will only grow from $9.9 Million to $76.2 Million over the same time period.
