研華ICR-3241W-1ND ICR-3200, NAM, FirstNet, 2x Ethernet, 1x RS232, 1x RS485, Wi-Fi, Metal, Without Accessories
研華BB-SR30519420 SmartFlex, NAM, 3x Ethernet, 1x RS232, 1x RS485, Wi-Fi, PoE PD, Metal, Without Accessories
研華BB-SR30519410 SmartFlex, NAM, 3x Ethernet, 1x RS232, 1x RS485, Wi-Fi, PoE PD, Plastic, Without Accessories