
RK3399 Android mainboard
- Hexa-core 2× Cortex-A72 + 4× Cortex-A53, 2.0 GHz
- Mali-T860 MP4 GPU, H.265 4K decoding
- Android 7.1 / 8.1 (upgradable)
- Dual-band Wi-Fi, BT, optional 4G
MJK started in 2005 as a display mainboard designer, and the same Rockchip RK3288 and RK3399 boards that run our kiosks and signage are available on their own. Our aluminium media player boxes turn any existing screen into a remotely managed signage player.




| SoC | Rockchip RK3399, 28 nm HKMG |
|---|---|
| CPU | Hexa-core 64-bit, 2× Cortex-A72 + 4× Cortex-A53, up to 2.0 GHz |
| GPU | Mali-T860 MP4; OpenGL ES 3.1, OpenCL, DX11 |
| Memory | 2 GB (up to 4 GB) |
| Storage | eMMC 8 GB (16/32/64/128 GB optional), TF card |
| Network | 10/100/1000 Ethernet, 2.4/5 GHz Wi-Fi 802.11ac, Bluetooth 4.1, 4G LTE (optional) |
| Video | H.265, H.264, VP8 and more; 4K / 2K / 1080P |
| OS / languages | Android 7.1 / 8.1 · multilingual |
Specifications are from the factory catalog and may change with configuration. Ask for the current spec sheet.
RK3288 is cost-effective for signage playback and simple apps. RK3399 has a faster hexa-core CPU and stronger GPU for kiosks, face recognition and 4K content.
Yes. We design the interface set and board layout to fit your housing and peripherals, and supply firmware with your boot logo and launcher.
It connects to any TV or monitor by HDMI and turns it into a networked signage player managed from our publishing platform.
Send a size, a sketch or a reference model. You get a spec sheet and factory price from an engineer, usually within one working day.