UK4
RK3399 Hexa-core ARM CPU equipped with Dual-core Cortex-A72 and Quad-core Cortex-A53, 2GB RAM, Max. 128GB ROM, 1080p FHD decoding.
Model No. | UK-4 |
---|---|
CPU | RK3399 Cortex-A72 Dual-core and Cortex-A53 Quad-core, up to 1.8GHz |
GPU | Mali-T860MP4, supports OpenGL ES 3.1、Direct3D feature level 11_1、OpenCL 1.2 |
Multimedia | 4Kx2K@60fps decoding and 4Kx2K HDMI output |
RAM | LPDDR4 2GB (4GB optional) |
STORAGE | Default 16GB_EMMC, Max. 128GB optional |
HDMI Output | HDMI 2.0a standard display interface supports up to 4K output |
HDMI Input | HDMI 1.4 standard video input interface supports 720P and 1080P signals |
MIPI-DSI | 31-Pin FPC MIPI-DSI display port supporting up to 1920×1200 |
LVDS | 30-pin industry-standard dual LVDS supporting VESA/JEITA format up to 1080P output |
EDP | 20-pin industry-standard EDP supporting 1~4 lanes format up to 1080P output |
Multi Display | Support dual screen display |
Amplifier output | 8 Ohm 6W Dual Audio Amplifier Output |
Line Output | Support standard left and right channel line output (pin header+headphone jack) |
HP/MIC | Support CTIA 4-pole HP/Mic socket (Left-Right-GND-MIC) |
Line Input | Support standard left and right channel line input (pin header) |
USB Camera | Support USB camera within 5 million pixels |
USB | 2 horizontal connectors(USB 3.0×1 and USB2.0x1), 7 pin headers(USB 3.0×1 and USB 2.0×6), 1 USB 3.0 Type-C connector |
TF CARD | Self-elastic micro SD card socket, up to 128GB capacity |
Serial Port | 1 TTL, 1 TTL/485 compatible, 4 extended TTL/RS-232 compatible |
I2C Bus | I2C pin header for I2C capacitive screen and etc |
GPIO Signals | 8 GPIO signals for such as GPIO buttons and/or 3.3V digital input/output |
Buttons | Recovery mode button and power switch button |
Backlight Control | Industry standard LCD backlight control header, support for backlight switch and brightness adjustment |
Infrared RC | Standard infrared remote control receiver and infrared receiver pin header |
LED Indicator | Red LED indicator for standby and green LED indicator for running |
Bluetooth | High performance BT module,support BT v4.0 |
Ethernet | 10/100/1000M Adaptive Ethernet RJ45 connector |
WIFI | Built-in high performance SDIO interface WiFi module, support IEEE 802.11 b/g/n/ac |
4G/5G | Industry standard MiniPCI-E 4G module interface |
RTC | Ultra-low-power RTC circuit (CR1220 battery) with timer and alarm functionalities |
Voltage | Supports 9~15V wide voltage DC power input |
Ambient Requirement | Working temperature 0°~70°, working humidity 0%~95% (non-condensing) |
Physical Size | Length*Width*Heigjht (135mm*95mm*9mm), PCB top side height 7mm |
Operation System | Recommended Android 7.1,Android 8.1/9.0 and Linux Buildroot/Debian 9/Ubuntu-18.04 optional |
UK-4 ARM BASED MOTHERBOARD
The UK4 Embedded Motherboard is powered by the Rockchip RK3399, a low-power, high-performance processor that combines dual-core Cortex-A72 (1.8GHz) and quad-core Cortex-A53 (1.4GHz) architectures for efficient multitasking. Its ARM Mali-T860 GPU supports OpenGL ES 1.1/2.0/3.0/3.1, delivering smooth hardware decoding for 4K and 1080p videos. Equipped with multiple onboard display interfaces, extensive I/O options, flexible expansion capabilities, and a comprehensive set of development kits, the UK4 is ideal for a wide range of applications. These include vending machines, interactive kiosks, digital signage, industrial automation systems, edge computing devices, smart home controllers, multimedia education platforms, and video conferencing systems. Its powerful processing and advanced graphics capabilities make it a versatile choice for innovative embedded system solutions.
Customer Case
Trusted by Fortune 500 Leaders, UnionWay Industrial-Grade Motherboards Power Mission-Critical Operations Across 10+ Industries. These high-performance computing solutions are strategically deployed in precision-driven sectors spanning medical diagnostics systems, intelligent retail kiosks, enterprise digital signage networks, secure cloud infrastructure, cybersecurity frameworks, smart transportation ecosystems, financial self-service terminals, and AI-powered edge computing applications – delivering unmatched reliability for business-critical implementations.










UnionWay Workshop
UnionWay has a world-class industrial motherboard production workshop. we adopt dust-free workshops to test every index of the products to ensure the precision and efficiency of the products, so as to provide customers with the highest quality and reliable industrial computer motherboards.