SD210TURF - FD Series Sensor Decoder - Signal Line, Analog/DigitalRain Bird SD211 TURF FD Series Sensor Decoder Signal Line, Analog Digital Features Sensor decoder interfacing signal line and analog or digital decoders. The Rain Bird ESP LXD 2 Wire Decoder Controller integrates the use of select flow and weather sensors. The SD 211 Sensor Decoder is pre programmed with a unique five digit address that is utilized to associate with a flow or weather sensor input. Replaces SD 210 TURF IEZR800057