Network Cards & Drivers
Comparison
| Card | Voltage | Frequency | Notes |
|---|---|---|---|
| RTL8812AU | 3.3V | up to 40 MHz | Compact, affordable, fits Radxa HAT |
| RTL8812EU2 | 5V | up to 40 MHz | More powerful, requires USB hub |
| RTL8812BU | 5V | up to 40 MHz | Alternative to EU2 |
RTL8812AU
The most common choice for DIY ground stations.
- Buy on AliExpress
- Connects directly to Radxa Zero 3W (no hub needed)
- Compatible with the Radxa Zero 3W HAT
RTL8812EU2
More powerful option, requires a USB hub and 5V power.
- Buy on AliExpress
- Used in the RunCam WiFiLink-RX
Driver Installation
Drivers are already included in the firmware images for Radxa Zero 3W. Manual installation is not required.