Key Features: CPU: RK3566 Quad-core Cortex-A55, 1.8GHz Memory: RAM options 2GB/4GB, ROM options 16GB/32GB Operating System: Android 11 Connectivity: POE RJ45 port DC port Type C port TF card slot RS485 serial port Usage: Ideal for smart home control systems, smart hotel systems, room controllers, smart kitchens, and more. Compatibility: Supports installation with 86 type, US type, and EU...