Why the R900® MIU? A single radio frequency unit, Neptune’s R900® MIU features an interleaved, high-power, 1-watt fixed network message that reduces infrastructure costs while allowing reading in any mode – walk-by, mobile, or fixed network – without separate reading systems, site visits, or any type of MIU reprogramming or reconfiguration. Available in both wall and pit mount configurations, the R900 MIU greatly improves access to meter readings, and delivers detailed consumption information as well as alerts for leak or backflow, helping your utility more proactively identify and resolve customers’ questions.