Long Range Bluetooth: How the MultiNav Pro+ Reaches 50KM
BLE Module landing page including all information for it
The Long Range Bluetooth Module That Changes What's Possible for Builders
For years, the words Bluetooth and long range didn't belong in the same sentence. Conventional BLE modules top out at 80 to 100 meters under ideal conditions. They're fine for connecting a fitness tracker to your phone or syncing a keyboard to a laptop. But for drone builders, robotics engineers, field researchers, and IoT developers who need real range — the kind that lets you deploy hardware across kilometers of open terrain — Bluetooth has always been the wrong tool for the job.
Until now.
The MultiNav Pro+ BLE Module from RFOXiA redefines what long range bluetooth means. Through an optimized RF front-end, external amplifiers, and advanced receiver sensitivity, it achieves communication distances that have no business existing at this price point. Ground-to-ground with smartphones: over 5KM. Man-to-drone: 15 to 20KM. And drone-to-drone, where ground reflections are fully eliminated: beyond 50KM.
That's not a marketing headline. That's the physics of what happens when you engineer a BLE module properly.
Why Conventional BLE Falls Short
To appreciate what the MultiNav Pro+ accomplishes, it helps to understand why standard Bluetooth modules fail at range.
Most commodity BLE modules — the ones you'll find for $5 to $15 on marketplaces — are designed for short-distance personal area networking. The RF front-ends are minimal, transmit power is low, and receiver sensitivity is engineered for the assumption that the other device is in the same room. Manufacturers optimize for cost, size, and power consumption. Range is an afterthought.
The result is a hard ceiling. Beyond 100 meters, signal quality degrades rapidly. In real-world environments with interference, obstacles, and multipath reflections, effective range is often far less than spec sheets suggest.
For a drone builder trying to maintain a reliable telemetry link over kilometers, or an IoT developer deploying nodes across a large property, this is a fundamental problem. The solutions available before the MultiNav Pro+ were either expensive proprietary systems costing thousands of dollars, or open-source RC link protocols like ExpressLRS that lack sensor integration and ecosystem depth.
RFOXiA identified this gap and built directly into it.
What Makes the MultiNav Pro+ Different
RF Architecture Built for Distance
The MultiNav Pro+ doesn't achieve its range through software tricks or marketing sleight of hand. The hardware is fundamentally different from commodity modules.
At the core is the STM32WB07CCV6 microcontroller, which manages both the BLE stack and user applications. This gives the module genuine processing capability, not just a radio front-end. Surrounding it is an RF architecture that includes external amplifiers and a high-gain chip antenna — the combination that makes 50KM drone-to-drone performance physically achievable.
The integrated high-gain chip antenna ensures strong signal without requiring external antenna components, keeping the module compact while maximizing transmission efficiency. An integrated RTC crystal provides precise timing for synchronization-sensitive applications like navigation systems and time-stamped data logging.
2Mbps Data Rate: Not Just Range
Range without bandwidth is useless for serious applications. A drone control link that works at 20KM but drops packets or introduces latency defeats the purpose.
The MultiNav Pro+ supports up to 2Mbps data rate — the maximum throughput available in the Bluetooth 5 specification's high-speed mode. This means the module can handle real-time drone control commands, live sensor data streaming, GPS telemetry, and bidirectional communication simultaneously without sacrificing responsiveness.
For FPV pilots and drone builders especially, this matters. Control systems demand low latency. The MultiNav Pro+ delivers both the range and the speed to make high-performance wireless control genuinely viable.
Compact Form Factor for Integration
At 57mm × 47mm, with a fixing frame size of 54mm × 34mm and corner mounting holes, the MultiNav Pro+ is designed to fit into real hardware builds — not just proof-of-concept benchtop setups. The small footprint makes it viable for integration into drone frames, field sensor enclosures, robotics platforms, and space-constrained IoT devices.
Four Interface Pathways: One Ecosystem
The MultiNav Pro+ is built with four distinct interface channels:
- GNSS Interface — seamless connection to the RFOXiA GNSS Module for 1.5-meter accuracy precision positioning at 18Hz fix rate
- Sensors Interface — plug-in integration with the RFOXiA Sensors Module (temperature, humidity, pressure, air quality, accelerometer, gyroscope, magnetometer)
- Motors & Battery Management Interface — direct integration for robotic and drone drive systems
- Programming Interface — SWD access for full firmware customization
This interface architecture is what separates the MultiNav Pro+ from a standalone radio module. It's the hardware backbone of a complete wireless development ecosystem. Every component speaks the same language, stacks cleanly, and integrates without custom wiring work.
For developers building autonomous systems — drones with onboard sensing, ground robots with precise navigation, environmental monitoring nodes with long-range telemetry — this means the hardware foundation is already solved.
Real builders are already deploying this. Drone makers in the RFOXiA community have integrated the MultiNav Pro+ BLE Module directly into custom drone builds, using it as the primary control and telemetry link — exactly the application it was engineered for.
BLE Chat: Internet-Independent Communication
One of the most compelling and underappreciated capabilities of the MultiNav Pro+ is BLE Chat — a direct, internet-independent communication channel between multiple module users.
When two or more MultiNav Pro+ BLE modules are in range of each other, users can exchange text, data, and voice communications without any cell towers, Wi-Fi networks, or internet infrastructure. The modules create a direct mesh link using the long range bluetooth architecture of the system itself.
The practical applications are significant:
- Disaster response teams operating in areas where infrastructure has failed
- Remote expedition coordination in wilderness or offshore environments
- Field research teams maintaining communication across large survey areas
- Off-grid operations where cellular coverage is unavailable or unreliable
At 5KM ground-to-ground range with smartphones, BLE Chat is a genuinely capable off-grid communication tool. At 15-20KM man-to-drone, it enables command and telemetry links for extended autonomous operations that no standard Bluetooth product comes close to matching.
For more details on the full feature set and technical specifications, visit the BLE Module landing page including all information for it.
RFOXiA Connect: Control Everything From Your Phone
Hardware capability only matters if you can actually use it. The RFOXiA Connect app (Android live, iOS pending) turns the MultiNav Pro+ into a complete mobile command center.
The app's Control Screen features a PS5-style controller interface with a live map displaying real-time GPS positioning and live sensor data from connected modules. The entire control link operates over the long range bluetooth connection — completely without internet. Range is determined entirely by the BLE module's physical capabilities, which means up to 20KM man-to-drone in the field.
The Chat Screen brings BLE Chat into a clean mobile interface, making internet-independent communication accessible without any technical configuration.
For drone builders and robotics engineers, having professional-grade wireless control from a mobile app — with live telemetry, GPS tracking, and sensor data in one view — removes a significant barrier to building sophisticated autonomous systems.
Open Source and Fully Programmable
The MultiNav Pro+ is not a black box. Full open-source access and SWD programming via the onboard interface means developers can write custom firmware, modify behavior, access raw sensor data, implement proprietary protocols, and push the module into application spaces that RFOXiA hasn't anticipated.
For teams building specialized systems — custom telemetry protocols, proprietary control algorithms, domain-specific communication schemes — this openness is critical. The hardware provides the RF capability. What you do with it is up to you.
The AI Firmware Builder inside RFOXiA Club makes this even more accessible. Describe your application in plain language and the AI generates production-ready firmware with full source code. What used to take months of embedded development time can now be prototyped in hours, even for developers without deep firmware expertise.
Pricing and Market Position
Two MultiNav Pro+ BLE modules are priced at $59.
To understand why this is remarkable, consider the market context:
- Standard commodity BLE modules: $5-15, 80-100 meter range, no ecosystem
- Military and industrial long-range wireless systems: $5,000 to $50,000+, 150KM+ range, not accessible to builders
The MultiNav Pro+ sits in a gap that previously had no occupant. Professional-grade long range bluetooth performance — 50KM drone-to-drone, 20KM man-to-drone, 5KM ground-to-ground — with FCC certification, a complete app ecosystem, AI firmware development, and open-source programmability. For $59.
This isn't a discount on a compromised product. It's a different approach to who gets to use serious wireless technology.
FCC Certified and Ready to Ship
FCC certification matters for two reasons. First, it's a legal requirement for wireless devices sold in the United States. Second, it's a quality signal — achieving FCC certification requires actual hardware that performs to specification through a rigorous testing process.
All four RFOXiA modules — the BLE Module, GNSS Module, Sensors Module, and Power/Program Kit — carry FCC certification. This is not vaporware or a crowdfunding concept. It's certified hardware with 680 units in stock, ready to ship.
For professional buyers, system integrators, and distributors, FCC certification on all modules is a prerequisite for commercial deployment. RFOXiA clears that bar across the entire product line.
The Developer Bundle: Complete Ecosystem
For developers who want the full picture immediately, the Developer Bundle packages the BLE Module, GNSS Module, Sensors Module, and Power/Program Kit together at $199 (after credits).
The Power/Program Kit is worth highlighting specifically: supercapacitor-based power with a 5-minute charge time and 24-hour runtime powering the complete module stack. For field deployments in remote locations, the ability to fully recharge in 5 minutes eliminates the operational constraint of battery management.
The complete bundle is the fastest path from zero to a fully operational long-range wireless development platform — with precise positioning, full environmental sensing, professional power management, and AI firmware development all included.
Explore the full specifications and order directly from the BLE Module landing page including all information for it.
Who This Is Built For
The MultiNav Pro+ is designed for builders who have outgrown conventional Bluetooth and aren't ready to spend five figures on military-grade hardware:
- Drone builders and FPV pilots who need reliable long-range control and telemetry
- Robotics engineers building autonomous ground vehicles requiring extended-range operation
- IoT developers deploying remote sensor networks across large areas
- Field researchers needing data telemetry and communication in areas without infrastructure
- Precision agriculture operators monitoring equipment and conditions across large fields
- Disaster response and emergency management teams needing off-grid communication capability
If your application requires wireless communication beyond 100 meters and you don't have a $5,000 budget, the MultiNav Pro+ is likely the only product on the market that solves your problem.
Join the RFOXiA Club
Every RFOXiA Club signup comes with a $10 welcome credit toward any hardware purchase. The platform includes the AI Firmware Builder, the developer community, technical documentation, and full access to the data monetization network — where deploying the Sensors Module with GNSS validation earns daily passive income from environmental data contributions.
The ecosystem is live. The hardware is certified. The community is building.
If long range bluetooth for serious applications is what your project needs, the MultiNav Pro+ is where to start. Check out everything the module offers and get yours at the BLE Module landing page including all information for it.
MultiNav Pro+ BLE Module — $59 for 2 units. FCC Certified. Ships from stock.