Radio sensor and antenna
Do not use Blender files for 3D printing. Parts can be outdated or for reference only.
Use the STL downloads below instead.
Downloads are 100% free. You only need to log in or register.
Items needed for the build
- Flexible antenna
- HC-12 radio module
- SMA pigtail
- M3 Screw, bolt
- 3D STL Files for housing
STL files for 3D printing
| Pict | Part name | Best mat | Qty | Notes |
|---|---|---|---|---|
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Ras1 | PETG | 1 | |
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Ras2 | PETG | 1 | |
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Ras3 | PETG | 1 | |
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Ras4 | PETG | 1 | |
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Rms1 | PETG | 1 | |
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Rms2 | PETG | 1 |
3D part downloads are 100% free and the files are complete.
You only need to log in or register.
Ground control radio box
For use with a notebook and the Taxi desktop app
Do not use Blender files for 3D printing. Parts can be outdated or for reference only.
Use the STL downloads below instead.
Downloads are 100% free. You only need to log in or register.
Items needed for the build
- 433Mhz standard antenna (or flexible)
- HC-12 radio module
- PCB (A9)
- SMA pigtail
- M3x10 Screw 4x
- 3D STL Files for housing
- USB or USB-C cable (depends on Arduino NANO connector)
STL files for 3D printing
| Pict | Part name | Best mat | Qty | Notes |
|---|---|---|---|---|
![]() |
Ras1 | PETG | 1 | |
![]() |
Ras2 | PETG | 1 |
3D part downloads are 100% free and the files are complete.
You only need to log in or register.
Radio box PCB (A9)
You can order from JLCPCB for less than USD 5 (five pieces), or from many other sites.

AliExpress: HC-12 SI4463 433Mhz radio module
Buy at least two. One for the AUV, one for ground control.
HC-12 SI4463 433Mhz radio module. Tracked, affiliate link.
AliExpress: 433 Mhz flexible antenna
433 Mhz Antenna 3dbi Sma Male Plug. Tracked, affiliate link.
AliExpress: SMA pigtail Jumper RP SMA female to U.FL
Exact model: Female
SMA pigtail Jumper RP SMA female to U.FL. Tracked, affiliate link.
AliExpress: Standard 433Mhz antenna for radio box
Exact model: Male with female pigtail
433mhz Antenna 3dbi High Gain SMA Male Tracked, affiliate link.
BUILD ASSISTANT
Follow the Build Assistant to produce the radio
Related parts
- Minitaxi radio module
- Commander USB radio module







