HardwareGateway B200Product IntroductionProduct IntroductionTaobao Purchase Quad-core Cortex-A55 @ 2.0GHz, 4/8GB RAM, 32GB eMMC 2× Gigabit Ethernet, 7× RS232/RS485, 1× Relay, 3× Opto-isolated Input RTC, programmable LED, 4G/LTE, dual-band WiFi+BT, Mini-PCIe expansion