Wi-ModPak Series wireless I/O modules from Eurotherm/Action Instruments, Leesburg, VA, are Modbus/Profibus compatible and are suited for use in process industries, factory automation, and water and wastewater applications. The modules incorporate 256-bit encryption and up to 8 I/O points per device and the series includes expansion modules and wireless gateways. The same wireless I/O module can be set via software as a transmitting/receiving device or as a repeater for range extension or obstacle avoidance. The series is CE, UL, and RoHS approved. Gateways are classified as Class I Div. II.