Milesight - 3G & 4G Supported Dual SIM / 1 * MicroSD 2 * 10/100Mbps (2 * LAN or 1 * WAN + 1 * LAN) 1 * RS232 Only "UR32-L04EU-W-485" Supports 1 * RS232 / RS485 (Switchable) 1 * DI + 1 * DO Optional: Wi-Fi / GPS / PoE PSE