| Core Devices | Specification Parameters |
|---|
| CPU | A311D, featuring quad-core ARM Cortex-A73 and dual-core ARM Cortex-A53 CPUs, 12nm process design, with an operating frequency of 2.2GHz; the GPU is ARM G52 MP4(6EE) |
| GPU | ARM Mali-G31 MP2, supporting OpenGL ES 3.2, Vulkan 1.1, and OpenCL 2.0 |
| Memory | LPPDDR4 1GB/2GB (default)/4GB |
| Flash Storage | EMMC 8G (default)/16G/32G/64G (optional) |
| Storage Expansion | Supports up to 128GB TF card expansion |
| Display Interfaces | Specification Parameters |
| HDMI OUT Interface | HDMI2.0, with a maximum support for 2560×1440 output |
| LVDS Interface | 1, LVDS interface (single-channel, 6-bit dual-channel, 8-bit dual-channel), with a maximum support resolution of 1920×1080 |
| Audio Interfaces | Specification Parameters |
| Headphone Jack Interface | 1-way microphone mono input (analog signal input), 1-way audio stereo output (analog signal output) |
| Power Amplifier Interface | Left and right stereo output, supporting 8Ω 10W dual speakers |
| Microphone Interface | 1-way microphone mono input (analog signal input) |
| Network Support | Specification Parameters |
| Ethernet | 1 standard RJ45 interface, 10/100M adaptive Ethernet |
| WIFI/Bluetooth | Onboard WIFI/BT module, supporting WiFi 2.4GHz/5GHz (5GHz optional), 802.11a/b/g/n/ac protocols, and Bluetooth 4.0 (supporting BLE) |
| Mobile Network | 1 built-in MINI PCI_E socket slot for expanding and connecting 3G/4G modules |
| Basic Interfaces | Specification Parameters |
| USB 2.0 | 3 USB Host interfaces (1 external standard USB socket, 2 2.0mm - 4P sockets), used to connect external high-definition USB cameras, USB flash drives, keyboards, mice and other devices |
| USB OTG | 1 USB OTG interface for system debugging, firmware update, and can also be set to Host mode |
| Serial Ports | 4 serial ports, among which 3 are TTL serial ports (2 RS232 serial ports and 1 RS485 serial port can be optionally configured), 1 TTL debug serial port |
| GPIO Pins | 5 IO pins, supporting input and output operations |
| Onboard RTC | Supports real-time clock, powered by a 1220 coin cell battery, with a reserved power supply socket (1.25mm - 2P socket) |
| Timed Power On/Off | Supported |
| IIC Interface | 1 standard I2C interface, which can be used for touch and communication |
| Infrared Receiver | 1 infrared receiver, supporting the infrared remote control function |
| Others | Specification Parameters |
| Operating System | Android 9.0 |
| Power Socket | 1 external DC12V input socket (DC - 5.5×2.5MM female socket), 1 6P input socket (2.54mm - 6P, supporting the standby function of the switching power supply) |
| Recommended Power Specification | 12V 2 - 5A (selected according to the power of peripheral devices) |
| System Upgrade | Supports PC/USB flash drive/TF card upgrades |
| Working Environment | Specification Parameters |
| Operating Temperature | 0℃～70℃, recommended 5℃～35℃ |
| Operating Humidity | 10％～90％, without condensation |
| Storage Temperature | -30℃～75℃, recommended to store at room temperature |
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