Banner Engineering DXM1500-B1R1-A PLC Controllers DXM1500 Controller AT&T with 900MHz ISM radio; Inputs: 2 Discrete, 8 Universal; Outputs: 2 Relay, 4 Discrete, 2 Analog; M7 Processor, 16 MB Memory, LCD Display; RS485, Ethernet, CAN, RS232, Solar/Battery Controller