The wSeries wireless transmitters for analog voltage and current, temperature, humidity, and barometric pressure communicate on a standard 802.11 b/g Wi-Fi network. Promising to be an ideal and economical solution for facilities with an existing Wi-Fi network as well as a new installation, the system sends alarms through text message or email if variables go above or below a set point. Additionally, the CE compliant wSeries features a NEMA 4 (IP65) enclosure. Price starts at $195. OMEGA ENGINEERING INC., Stamford, CT. (800) 872-9436.