ZPX-1
RT-2087/ZPX-1 IFF Combined Transponder Receiver
Mode 1,2,3/A,C,S,5L1,5L2,5L2-B ADS-B In/Out + Mode 5L2 and 5L2-B Receiver
91 Grams – Ultra-Light
250 Watts – Transmit Power
AIMS – Certified
Advanced IFF Mode 5 Combined Transponder - Receiver for Tactical UAS
SKU: UAV-1006673-001
The RT-2087/ZPX-1 is a compact, low-SWaP Combat ID system that meets IFF Transponder and ADS-B requirements for UAS in both military and civilian airspace.
When paired with a micro-crypto like the KIV-79, even Group 2 and larger UAS gain access to NATO-standard IFF encryption. AIMS-certified, the ZPX-1 also enables upgrades such as Mode S Enhanced Surveillance, ADS-B IN, and Mode 5 Level 2/2-B receive capability to support Detect and Avoid functionality—all while maintaining a minimal SWaP footprint ideal for small uncrewed platforms.
PRIMARY FEATURES

Optimized for Efficiency
Designed for high-performance UAS with available payload capacity, ZPX-1 balances military-grade functionality with a small footprint—making it ideal for Group 2 and larger UAS and long-endurance missions.

Mission-Ready, Simplified
All ZPX systems are crypto-appliqué compatible and compliant with civil airspace requirements as Mode S/1090ES ADS-B transponders, simplifying aircraft configurations.

AIMS Certified for Secure Airspace
ZPX-1 is fully certified to AIMS Mk XIIB and DoD AIMS 17-1000B standards, delivering trusted Mode 5 Level 1/2 and Level 2 Broadcast IFF capability for military airspace operations.
ADDITIONAL FEATURES
Reliable System Performance
Adaptable Power Supply
Supports multiple power modes, adapting to varied mission requirements.
Durable and Reliable
Designed to withstand extreme operational conditions from -45° to 71° C.
Precision Sensing
High sensitivity for reliable reception and transmission of surveillance signals.
Enhanced Surveillance Functions
Supports advanced airspace integration and situational awareness with EHS and ADS-B capabilities.
Broad Operational Range
Capable of functioning at both extremely low and high altitudes.
Versatile Connectivity
Multiple interfaces and protocols for seamless integration into existing systems.
FAQs
Knowledge Base
What types of UAVs can use the RT-2087/ZPX-1?
The system is designed for Tactical UAVs, particularly suited for small Group 2 and larger UAS and larger drones, providing necessary IFF and ADS-B capabilities.
Does the RT-2087/ZPX-1 meet FAA standards for ADS-B?
Yes, it meets ADS-B requirements and is equipped to handle both civilian and military airspace operations.
How is the RT-2087/ZPX-1 installed on an aircraft?
The transponder is designed for easy integration with various UAV platforms, utilizing minimal space and power. Installation should be performed by a qualified technician with reference to the specific installation guide.
How do I operate the RT-2087/ZPX-1?
The unit operates automatically once installed and powered, but configuration might be required via compatible ground control systems to ensure proper functioning.
What maintenance does the RT-2087/ZPX-1 require?
Regular checks should be made for firmware updates and physical inspections to ensure connectivity and functionality are maintained.
What should I do if the RT-2087/ZPX-1 is not transmitting data?
Ensure all connections are secure, the unit is powered correctly, and no damage is visible. Check for firmware updates or configuration errors. If the issue persists, contact technical support for assistance.
DOCUMENTATION
ZPX-1 Manuals & Guides
| Specification | Value |
|---|---|
| Input Voltage/Power | 11-33VDC |
| Â | 3.5W Continuous (STBY) |
| Â | 5.5W Continuous (NORMAL) |
| Â | 6W Peak (8ms maximum) |
| Size | 83 x 47 x 21 mm |
| Weight | 91 grams |
| Operating Temp | -45° to 71° C |
| Â | Â |
| Transponder | Â |
| SIF & Mode S MTL @ 1030 MHz MTL (sensitivity) | -76 dBm ±2 dB |
| Mode 5 MTL (sensitivity) | -80 dBm |
| 1090 MHz Tx Power | 250W (54 dBm) |
| Â | Â |
| Receiver Sensitivity | Â |
| ADS-B Rx MDL | -79 dBm ±2 dB |
| Mode 5 MDL L2/2-B Rx | -84 dBm |
| Â | Â |
| Altimeter | Â |
| Range | -1000 to 126,750 ft |
| Â | Â |
| Control Interface | Â |
| Baud Rate | 57,600 bps RS-485/-232 |
| Protocol | GDL90+ |
| Â | Â |
| Position Interface | Â |
| Baud Rate | 115,200 bps RS-232 |
| Protocol | uAvionix OEM Protocol |
| Â | Â |
| Mode 5 Level 2/2B and ADS-B IN Traffic | Â |
| Baud Rate | 115,200 bps RS-232 |
| Protocol | GDL90+ / DoD AIMS 23-901 |
| Â | Â |
| KIV Interface | Â |
| AIMS 04-900(A) | Option B (KIV-77 / KIV-79) |
| Â | Â |
| Options | Â |
| 1030/1090 MHz Transponder Antenna | Â |
| 10/100 Ethernet Adapter | Â |
| uAvionix truFYX SIL 3 Position Source | Â |
| NSM programming for crypto emulator | Â |
| 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. Â
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
Related products
A&P Bundle – with Stratus ESG-H
tailBeaconX TSO + AV-20-E Bundle
tailBeaconX + AV-20-E Bundle
All-in-One Nav Mode S / ADS-B OUT / 2" MFD EFIS
UAX-90107-01
New Part #
*supercedes UAX-90059-01
For Experimental Installation Only
The next era of global ADS-B. Compatible with space and ground-based ADS-B surveillance systems, tailBeaconX is a Mode S Extended Squitter ADS-B transponder and WAAS GPS integrated into an LED rear position light. With global compliance, tailBeaconX is the key to limitless destinations. Extend tailBeaconX and your panel’s functionality when you pair AV-20-E as tailBeaconX’s control head. AV-20-E also functions as a digital clock with 12 functions for limitless possibilities.
- Transponder Control
- Attitude Display
- Slip / Skid
- Probeless AOA
- G-Meter
- and more
skyBeacon | ADS-B Out, WAAS GPS, LED Navigation Light
The skyBeacon is a revolutionary ADS-B Out solution that combines compliance, convenience, and cost-effectiveness into a single, easy-to-install device. Mounted directly on the wingtip, it integrates a 2020 compliant ADS-B 978MHz UAT transmitter and a high-integrity WAAS GPS within a LED position light. This all-in-one solution not only meets FAA mandates but also enhances visibility with its integrated LED lighting system. Designed to work seamlessly with existing Mode C transponders, skyBeacon uses patented power transcoder technology to utilize the aircraft’s electrical system for data communication, eliminating the need for extensive rewiring or additional antennas.