ping20Si
ping20Si is a groundbreaking Mode S ADS-B transponder built specifically for drones. Weighing only 20 grams, it ensures compliance and enhances safety by enabling drones to seamlessly communicate with ATC radar and collision avoidance systems (TCAS). Equipped with integrated GPS and altitude sensing, it’s the simplest, most effective way to enhance drone visibility and operational safety in controlled airspace
Compact Compliance, Maximum Safety
SKU: UAX-90035-01
ping20Si is a groundbreaking Mode S ADS-B transponder built specifically for drones. Weighing only 20 grams, it ensures compliance and enhances safety by enabling drones to seamlessly communicate with ATC radar and collision avoidance systems (TCAS). Equipped with integrated GPS and altitude sensing, it’s the simplest, most effective way to enhance drone visibility and operational safety in controlled airspace.
PRIMARY FEATURES

World’s Smallest and Lightest Mode S Transponder
Only 20 grams, providing seamless integration even on compact UAV platforms.

ADS-B and Mode S Compliance with Integrated Positioning
Fully compliant with RTCA DO-181E and DO-260B standards, ensuring visibility to ATC and TCAS while delivering precise positional data via built-in SBAS GPS and pressure altitude sensors.

Battery-Backed GPS
Rapid GPS signal acquisition, reducing startup delays.
ADDITIONAL FEATURES
Streamlined Integration
Battery-Backed GPS
Rapid GPS signal acquisition, reducing startup delays.
Multiple Control Protocols Supported
Works seamlessly with GDL90 and MAVLink protocols.
Flexible Antenna Mounting
SMA connector allows easy installation and optimized antenna placement.
Direct PixHawk Compatibility
Effortless integration with PixHawk autopilot systems via the TELEM interface.
Versatile Power Input
Compatible with standard 11-28V power supplies.
Temperature Controlled Altitude Sensor
Ensures accurate altitude readings across extreme operating temperatures (-45°C to +80°C).
ADS-B In/Out/Other
| pingRX Pro | ping1090i | ping2020i | ping20Si | ping200X TSO | ping200XR TSO | |
|---|---|---|---|---|---|---|
| ADS-B Out (Transmit) | No | 1090MHz | 978MHz | 1090MHz | 1090MHz | 1090MHz |
| ADS-B In (Receive) | 978MHz 1090MHz | 978MHz 1090MHz | 978MHz 1090MHz | No | No | No |
| Transponder Modes | ADS-B Only | ADS-B Only | A, C, S, ES | A, C, S, ES | A, C, S, ES | |
| Power Output | Rx Only | 20W | 20W | 20W | 250W | 250W |
| Integrated GPS | No | Yes | Yes | Yes | No | Yes |
| Certification/Approval | No | UK CAP1391 AUS CAO 10.18 | FCC | No | TSO | TSO |
| Applicability | Worldwide | Non US | US, UK | Non US | Worldwide | Worldwide |
| Export Control | EAR99 | ECCN 7A994 | ECCN 7A994 | ECCN 7A994 | ECCN 7A994 | ECCN 7A994 |
| Weight | 8-grams | 26-grams | 26-grams | 26-grams | 50-grams | 50-grams |
FAQs
Knowledge Base
Can ping20Si be used on any drone?
Yes, ping20Si is designed for universal drone compatibility, especially optimized for small and medium-sized UAVs.
Does ping20Si meet FAA and international standards?
Absolutely. It complies fully with RTCA DO-181E, DO-260B, ICAO Annex 10, and EuroCAE ED-115 standards.
How complicated is the installation process?
Installation is straightforward. Simply power the device, position the antenna vertically, and configure via our intuitive mobile app.
Does it require autopilot integration?
No. ping20Si operates independently, but can integrate with common autopilots if preferred.
What maintenance does ping20Si require?
ping20Si is designed for “on condition” maintenance, meaning no regular scheduled maintenance is necessary.
My device isn’t transmitting. What do I check?
Ensure the ping Programmer is disconnected after configuration, verify correct power application, antenna connection, and confirm no obstructions to GPS signals.
DOCUMENTATION
ping20Si Manuals & Guides
Ping Installer Mobile App
Owners of the uAvionix Ping line of devices can use this free application to install and configure their hardware.
Supported device(s) include:
- pingNAV
- FYXNav
- ping2020
- ping1090
- ping200S
Note: this application is not intended to directly configure pingBuddy or pingEFB, but does work in concert with pingBuddy to configure pingNAV and other products.
| Weight | 0.1 lbs |
|---|---|
| Dimensions | 0.1 × 0.1 × 0.1 in |
| Brand |
uAvionix |
SHIPPING INFORMATION
We can ship by UPS, or USPS and DHL Express. We ship nationally, and internationally.
Carriers In Use
SHIPPING COSTS
- International Shipping Quote has to be done manually due to dimensions, weight, end destination, and more. Please E-Mail us.
- Any manner or method is available, call if you need Priority 1-2 day or overnight shipping.
- We are shipping with UPS or USPS and DHL Express
