The Interface OI-9850 is engineered to accommodate the WireFree product line of Otis Instruments, Inc., the Interface OI-9850 is a 255 channel receiver that takes in WireFree data from detectors and interfaces with a PLC, DCS, etc.
Part Number Formula: OI-9850-[Power Supply]-[Radio Frequency]-A4-[4-20 Output Channels]