Communication Interface WAN WAN x 1, 10 / 100 / 1000 Mbps LAN LAN x 1, 10 / 100 / 1000 Mbps RS485 COM x 3, 1200 / 2400 / 4800 / 9600 / 19200 / 115200 bps, 1000 m MBUS MBUS x 1, 115.2 kbps, Compatible with PLC No MBUS Communication Interface 2G / 3G / 4G 1 LTE(FDD):B1,B2,B3,B4,B5,B7,B8,B20 DC-HSPA+/HSPA+/HSPA/UMTS: 850/900/1900/2100 MHz GSM/GPRS/EDGE: 850/900/1800/1900 MHz 2 Digital / Analog Input / Output DI x 4, DO x 2, AI x 4 Active DO: 12V, 100mA (connection with relay, sensor)