VideoStrong is better known for their Android set-top boxes with digital TV tuners, but they are making other hardware too, and their latest design is a Rockchip RK3399 development board named VS-RD-RK3399.
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VideoStrong VS-RD-RK3399 board specifications:
- SoC – Rochchip RK3399 hexa-core big.LITTLE processor with two ARM Cortex A72 cores up to 2.0 GHz and four core Cortex A53 cores, ARM Mali-T860 MP4 GPU with OpenGL 1.1 to 3.1 support, OpenVG1.1, OpenCL and DX 11 support
- System Memory – Dual channel 2GB or 4GB DDR3
- Storage – 16/32 GB eMMC 5.1 flash, micro SD card
- Video Output & Display Interfaces
- 1x HDMI 2.0 up to 4K @ 60 Hz
- 1x DisplayPort up to 4K @ 60 Hz
- 1x MIPI DSI dual channel interface up to 2560×1600 @ 60 Hz
- 1x eDP (embedded DisplayPort) 1.3 with 4-lanes @ 10.8 Gbps
- 1x I2C interface for touch panel
- Video Decode – 4K VP9 and 10-bit H.265 video codec support up to 60 fps
- Audio
- Via HDMI or DisplayPort
- 1x 3.5mm headphone jack with stereo audio output and mic input
- 1x LINE out
- 1x speaker output (1.8W 8Ω/3.1W 4Ω )
- 2x speaker outputs (1.5W 8Ω/2.5W 4Ω )
- 1x SPDIF digital audio output port
- 1x microphone
- 1x I2S interface up to 8 channels
- Connectivity – Gigabit Ethernet (RJ45) port using RTL8211E transceiver, WiFi 802.11ac 2×2 MIMO and Bluetooth 4.1 (AP6356S module)
- USB – 4x USB 2.0 host ports, 1x USB 3.0 port, 1x USB 3.0 type C port
- Camera
- 2x MIPI CSI interfaces up to 13MP or 2x 8MP
- 1x DVP camera interface up to 5MP
- Debugging – 3-pin serial header
- Expansion
- 42-pin GPIO female header with access to 1x I2S, 2x ADC, 2x I2C, 1x SPI/UART, 2x GPIO, 1x LINEOUT, 1x SPEAKER
- 1x mini PCIe for LTE
- 1x SIM card slot
- Misc – Power and user LEDs; 1x IR receiver, 1x RTC battery port; reset, power, and upgrade buttons
- Power Supply – 12V/3A DC via 5.5×2.1mm barrel connector or 2-pin header; RK808 PMIC
- Dimensions – 12.4 x 9.5 mm (8-layer PCB)
- Weight – Board: 89 grams; board + cooling fan and heatsink: 120 grams
The specifications are very similar to the ones for Firefly-RK3399 board, except a few tweaks here and there. You’ll find the header pinout in that document.
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The company will offer support for both Android 7.1 and Linux, but when asked about the SDK I was told that “SDK could be down load from our indicating link”. If you are confused, so I was, but after deep mediation, I saw the light, and it probably means that they’ll provide download links for the SDK to their customers only.
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The kit comes with an acrylic case, and antennas for WiFi and Bluetooth. I don’t have any confirmation about the price, but the board is listed on Alibaba for $149.99. We’ll soon find out more as the company intends to send a sample for review.

Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and reviews full time later in 2011.
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