Product overview
The HD-3399F-BOX connects stored signage programs or an HDMI source to an LCD display. Its RK3399 platform supports 4K decoding and integrates networking, USB and infrared remote control for content management. This 4GB + 32GB listing should be matched to the supplied unit when planning applications or replacement hardware.
Product specifications
| Parameter | Specification |
|---|---|
| Model | HD-3399F-BOX |
| Listed configuration | 4GB RAM + 32GB storage |
| CPU | RK3399, six-core 64-bit |
| CPU architecture | 2 × Cortex-A72 + 4 × Cortex-A53 |
| Maximum CPU frequency | 1.8 GHz |
| Video decoding | Up to 3840 × 2160; 4K H.265 hardware decoding |
| Display connections | HDMI input and HDMI output |
| Ethernet | 100M/1000M adaptive |
| Wi-Fi | 2.4 GHz / 5 GHz |
| Power input | 12 V DC |
| 4G networking | Optional module |
| TF expansion | Optional |
Configuration and selection
The Android version needs confirmation against the actual supplied unit because the listing and V1.2 PDF contain different version references. Check application compatibility before ordering. The original product images and specification download remain below.
Frequently asked questions
What does 4+32 mean for the HD-3399F-BOX?
This listing is for 4GB RAM and 32GB storage. Other memory configurations in the specification do not change the configuration named here.
Does it have both HDMI input and output?
Yes. HDMI input supports a synchronous source; HDMI output connects to the LCD display.
Can the HD-3399F-BOX decode 4K video?
The product information specifies 3840 × 2160 decoding and 4K H.265 hardware decoding. Match the actual file format and display setup to the specification.
Is 4G included with the player?
The interface notes identify the 4G module as an optional factory-installed accessory. Confirm it if cellular networking is required.
Which Android version will the supplied unit use?
Confirm the installed firmware for the supplied unit. The existing listing states Android 7.1, while the linked V1.2 PDF contains Android 10.0 and Android 11.0 references. These conflicting references do not establish one version for every unit.
Original product images and diagrams



Downloads and related information
Huidu-3399F-BOX(4+32)-Full-Color-High-performance-LCD-Controller-Specification










