RM2402D (Two Digital Outputs)
![RM2402D](../images/aciRM2402Dsmall.png)
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The RM2402 wireless receiver utilizes reliable Spread Spectrum Mesh Network Radio technology. Together with other wireless sensors and controls, the system can be used to transmit remote sensor readings, status/alarm indications and control signals wirelessly. Up to two (2) separate wireless sensor transmitters can be used with one RM2402D. It can be used for remote alarm/status indications and wireless on/off control (wireless relay) applications. The maximum radio transmission distance is dependent on building type. The maximum open-air transmission distance is one mile. In a typical commercial building with steel I-beam construction, concrete floors with reinforcing rod, and metal stud walls, it can be expected that transmissions will penetrate vertically through floors and horizontally through 200 to 500 feet of walls, furniture and air. Generally a wireless system will cover at least three floors - one floor above and one floor below the receiver location. In some buildings with favorable transmission characteristics the system may cover more floors. RR2552 signal repeaters can be installed as needed to increase transmission distance between sensors and receivers. The RM2402D is covered by ACI's Two (2) Year Limited Warranty.