ACI MOD9200LON-E : LonWorks Network Transceiver, Up to 50 Wireless Sensors/Transmitters (26 Setpoint Adjustments, 26 Pushbutton Override Switches, 12 CO2 PPM Inputs, 6 RH Points & 4 Digital Status Inputs) & 50 Wireless Digital & Analog Outputs, 2-Year Warranty, Made in USA