Precise details:
If you want to update firmware，as following
Steps to use:
1) download this file https://github.com/OpenIPC/sbc-groundstations/releases/download/buildroot-snapshot/runcam_wifilink_sdcard.img
2) flash it to an SD card. Use Win32DiskImager or Balena.
3) Insert it into the Eachine VRX and boot up the system.
Introduction:
Transform your digital FPV experience with the OpenIPC/RubyFPV 5.8G Digital FPV HDMI Receiver—a compact, powerful SBC-based solution designed for ultra-low latency 1080P@90FPS streaming, seamless integration with VR glasses (via HDMI-to-C adapter), and versatile compatibility with OpenIPC/RubyFPV systems. Engineered for FPV enthusiasts, content creators, and professional developers, this receiver delivers pro-grade performance in an all-in-one package, solving core pain points like signal lag, limited compatibility, and cumbersome setup.
Trusted by the FPV community for its robust open-source support and industrial-grade design, this receiver balances high-speed wireless connectivity, flexible power options, and intuitive controls—making it the perfect upgrade for your digital FPV drone, VR headset, or ground station setup.
Core Features & User Benefits
1. Ultra-Low Latency Streaming – Real-Time FPV & VR Immersion
The heart of this receiver is its 40-50ms latency paired with high-frame-rate output, delivering a seamless, lag-free experience critical for competitive FPV and immersive VR use:
- 720P@120FPS / 1080P@90FPS Output: Delivers buttery-smooth video with minimal motion blur—perfect for high-speed racing, freestyle tricks, and cinematic FPV filming.
- 1080P@60FPS Default: Pre-configured for stable, crisp streaming right out of the box, ensuring you’re ready to fly in minutes.
- Low-Latency Design: Eliminates the "delay lag" common in basic FPV receivers, keeping your drone/VR experience responsive and intuitive.
2. Universal VR Glasses Compatibility (With Adapter)
While the receiver features an HDMI interface (not Type-C), it works seamlessly with popular XR glasses (Viture, Rayneo, Xreal) with a simple HDMI-to-Type-C adapter cable (not included):
- Direct HDMI Output: No complex software or drivers required—just connect the HDMI-to-C adapter, plug into your glasses, and stream crisp FPV footage directly to your headset.
- No Direct Connection Needed: Clarifies compatibility for users, avoiding confusion about port mismatches.
3. Dual System Compatibility – OpenIPC & RubyFPV, Pre-Flashed or Custom
Engineered for flexibility, this receiver supports two leading open-source FPV platforms, with options for pre-flashed or custom firmware:
- Plug-and-Play Pre-Flashed Version (1G RAM + 32GB SD): Comes pre-loaded with OpenIPC firmware—simply power on, connect HDMI/display, and adjust settings via the built-in ground station menu. No technical setup required!
- Customizable Base Version (1G RAM): Use BalenaEtcher (free software) to burn OpenIPC/RubyFPV firmware to an 8GB+ microSD card, tailoring the system to your specific needs (e.g., telemetry, DVR, or custom controls).
- Wiki & Firmware Support: Access detailed guides via GitHub, RubyFPV, and BalenaEtcher for easy flashing, configuration, and troubleshooting.
4. Versatile Power Options – Fly Anywhere, Anytime
Designed for portability and drone integration, the receiver offers flexible power solutionss for field use, home setup, and in-flight deployment:
- 5V USB OTG: Power via portable power banks, USB chargers, or drone USB ports for on-the-go use.
- 7-26V DC Input: Directly power from 3S-6S LiPo batteries (3S recommended) via the 5.5x2.1mm DC port—ideal for mounting directly on FPV drones or ground stations.
- 3.5W Low Power Draw: Efficient power usage minimizes battery strain, extending flight time or operational duration for extended missions.
5. All-in-One Utility – DVR, AP Mode, Ground Station Menu
Beyond streaming, the receiver packs a suite of practical features to enhance your FPV workflow:
- Built-In DVR: Record 1080P/720P flight footage for post-flight review, content creation, or race analysis. Access recordings via:
- SD Card: Insert the microSD into a PC to find the /dvr folder.
- AP Mode: Connect to the receiver' s WIFI hotspot (SSID: OpenIPC GS, Password: openipcgs) and stream/download via http://radxa-zero3.local.
- Home Network: Access via Sambaa client (credentials: root/root or radxa/radxa) for seamless file sharing.
- AP Mode (WIFI): Create a local WIFI hotspot to connect your PC/phone for real-time monitoring, firmware updates, or quick adjustments—no internet required.
- Ground Station Menu: Intuitive on-screen menu for modifying air/ground settings, channel selection, and DVR controls.
Button Functions:
CH+/CH-: Navigate menu items / switch channels.
BACK/QA3/OK: Adjust values / confirm selections.
AP: Toggle AP mode (OpenIPC) / Quick Action 2 (RubyFPV).
REC: Start/stop recording (OpenIPC) / Quick Action 1 (RubyFPV).
6. Rugged, Compact Design – FPV Drone & Industrial Ready
At just 75g (with antenna) and 80×40×24mm, the receiver is built for durability and space-saving integration:
- Lightweight Payload: Adds minimal weight to your drone, preserving speed, agilityy, and maneuverability.
- Dust-Resistant (IP4X): Protects against dust ingress, ensuring reliable performance in dusty racing tracks or industrial environments.
- Wide Temperature Range: Operates from -10°C to 50°C, making it suitable for cold winter flights or hot summer days.
- Expandable RF: Upgrade to a dual 8812EU/8812AU adapter setup for stronger signal coverage (note: higher operating temperature with dual adapters).
Description:
| Frequency | 5.8Ghz |
| SBC board | Radxa zero 3w |
| Wireless Adapter | 8812EU |
| Resolution | HDMI-compatible 1080P@90FPS/ 720P@120FPS |
| Delay | 40 to 50 mS @ FPS120 |
| RF Power | 800mW Max (with telemetry) |
| Interface | Mini HDMI-, Micro HDMI-(through cable), DC5.5x2.1mm |
| Wiki: | https://github.com/OpenIPC/sbc-groundstations/releases/ https://rubyfpv.com/hardware.php https://etcher.balena.io/
This is a HDMI- receiver for Sphere link digital FPV system, and it's compatible with OpenIPC and Rubyfpv.
If you choose the version with 1G RAM + 32G Micro SD, the OpenIPC image will be burned. You just need to plug in the HDMI- display or FPV glasses, power it on, set the channel, and you're ready to go. If you choose the version with 1G RAM , you need to prepare an 8G or larger micro SD card, and then use some software (like BalenaEtcher) to burn the image to the SD card. |
| Software and firmware image download: | https://etcher.balena.io/ https://rubyfpv.com/downloads.php https://github.com/OpenIPC/sbc-groundstations/releases?page=1 |
| Input Voltage | 5V(USB OTG) or 7-26V(DC Socket),3S is recommend |
| Power consumption | About 3.5W |
| Memory | 1G RAM or 1G RAM + 32G Micro SD |
| Default settings | Channel:161 Resolution:1080P@60FPS |
| Size | 80*40*24mm(without ANT) |
| Weight | 75g (with ANT) |
Firmware Update & Setup Guide
Updating Firmware
1.Download the latest runcam_wifilink_sdcard.img firmware from the provided links (GitHub, RubyFPV, or BalenaEtcher).
2.For the 1G RAM Base Version: Use BalenaEtcher to burn the image to an 8GB+ Class 10 microSD card.
3. For the 1G RAM + 32GB SD Version: The firmware is pre-installed—simply power on to use the latest OpenIPC build.
4. Insert the SD card into the receiver, power on, and the system will automatically flash/update the firmware.
Quick Start (Pre-Flashed Version)
1. Insert a microSD card (32GB pre-installed) into the receiver.
2. Connect the HDMI output to your FPV goggles (via HDMI-to-C adapter) or monitor.
3. Power the receiver via 5V USB OTG or 7-26V DC (3S LiPo recommended).
4. Use the ground station menu to adjust channel, resolution, and DVR settings.
5. Start streaming and recording—your digital FPV system is ready!
Why Choose This OpenIPC/RubyFPV Receiver?
* Ultra-Low Latency: 40-50ms delay for real-time FPV control and VR immersion.
* VR Glasses Ready: Works with Viture/Rayneo/Xreal via HDMI-to-C adapter (adapter sold separately).
* Dual Platform Support: Pre-flashed OpenIPC or customizable RubyFPV for flexibility.
* All-in-One Features: Built-in DVR, AP mode, and ground station menu for complete workflow control.
* Flexible Power: USB OTG and 7-26V DC input for drone, portable, and home use.
* Compact & Durablee: Lightweight 75g design with IP4X dust resistance for harsh environments.
* Community Support: Wiki, GitHub, and RubyFPV resources for easy setup and troubleshooting.
Who Is This For?
FPV Drone Enthusiasts: Upgrade to low-latency digital FPV streaming for racing, freestyle, and cinematic filming.
XR/VR Glasses Users: Connect Viture/Rayneo/Xreal to FPV drones for immersive first-person viewing (requires HDMI-to-C adapter).
Content Creators: Record high-quality 1080P/720P DVR footage for YouTube, social media, or post-production.
Industrial/Developers: Leverage OpenIPC/RubyFPV SDK for custom ground station integration, telemetry, and multi-platform deployment.
FPV Teams/Retailers: Stock a versatile, high-performance receiver for customers seeking digital FPV solutionss.
Whether you’re a casual pilot looking to enhance your FPV experience or a professional developer building custom FPV systems, the OpenIPC/RubyFPV 5.8G Digital FPV HDMI Receiver delivers the performance, flexibility, and reliability you need. Unbox, set up, and take your digital FPV flights to the next levell—flight after flight!
Package Included:
1 x 5.8GHz Eachine Sphere link FPV Receiver
2 x Cables
