EDDYSTONE 840C Receiver

( Brand: Eddystone ), ( Manufacturer Part Number: 840C ), ( Type: Receiver ), ( Country Of Origin: United Kingdom ), ( Colour: Grey )

Review EDDYSTONE Vintage Model Receiver Made In England

The **Eddystone 840C Receiver** is a sophisticated, high-performance Bluetooth Low Energy (BLE) beacon detection module designed for developers, IoT engineers, and enterprise solutions architects seeking precise indoor positioning, asset tracking, and proximity-based automation. Engineered with cutting-edge hardware and optimized firmware, this compact yet robust receiver excels in decoding and processing Eddystone-UID, Eddystone-URL, and Eddystone-TLM (Telemetry) beacon signals with exceptional accuracy and low latency. Built around a high-sensitivity BLE radio, the 840C leverages advanced signal processing algorithms to maintain reliable connectivity even in challenging RF environments, such as dense office spaces, warehouses, or crowded retail environments where interference from other wireless devices is common. Its modular design allows for seamless integration into custom hardware platforms, IoT gateways, or cloud-connected systems, making it an ideal component for applications like smart navigation, inventory management, or interactive wayfinding solutions.

The receiver s robust architecture supports real-time signal analysis, enabling developers to extract critical metadata such as beacon signal strength (RSSI), timestamped detections, and unique identifier data with millisecond precision. This level of granularity is particularly valuable for applications requiring dynamic user engagement, such as interactive museum exhibits, retail analytics, or contactless access control systems. Additionally, the 840C is equipped with configurable filtering and thresholding capabilities, allowing users to fine-tune sensitivity and reduce false positives in environments with high beacon density. Its low power consumption ensures extended operational lifetimes in battery-powered deployments, while its compatibility with standard BLE protocols ensures seamless interoperability with a vast ecosystem of Eddystone-compatible beacons and third-party development tools.

Beyond its technical prowess, the Eddystone 840C receiver is designed with scalability and flexibility in mind. It supports both wired and wireless data transmission interfaces, including UART, SPI, and I2C, as well as optional Wi-Fi or cellular connectivity modules for cloud-based analytics. Developers can leverage its open SDK and comprehensive API documentation to rapidly prototype and deploy solutions, whether for experimental proof-of-concept projects or large-scale enterprise implementations. With built-in security features such as AES encryption for beacon data and firmware update capabilities, the 840C ensures both data integrity and long-term reliability. Whether deployed as part of a standalone IoT sensor network or integrated into a broader smart infrastructure ecosystem, the Eddystone 840C receiver delivers unmatched performance, versatility, and ease of use for next-generation location-aware applications.

### **Pros and Cons of Buying an Eddystone 840C Receiver**

1. **High Sensitivity and Range** The Eddystone 840C receiver is designed for long-range proximity detection, making it suitable for large-scale applications such as asset tracking, inventory management, and access control. Its sensitivity allows it to detect beacons even in challenging environments with interference.

2. **Compatibility with Eddystone Beacons** Since it is specifically designed for Eddystone beacons (particularly the 840C variant), it ensures seamless integration with existing or future Eddystone-based systems. This avoids compatibility issues that may arise with generic Bluetooth receivers.

3. **Low Power Consumption** The device is optimized for battery-powered operation, making it ideal for portable or remote deployments where power access is limited. This extends the operational lifespan of the system without requiring frequent maintenance.

4. **Scalability** The Eddystone 840C receiver can be easily integrated into larger networks, supporting multiple beacons simultaneously. This makes it suitable for enterprise-level applications where real-time tracking and monitoring are critical.

5. **Reliable Signal Detection** The receiver is engineered to minimize false positives and maintain consistent signal detection, even in environments with multiple Bluetooth devices. This reliability is crucial for applications like asset tracking, where accuracy is non-negotiable.

6. **Developer-Friendly** The Eddystone protocol is open-source, and the 840C receiver can be easily interfaced with various platforms (e.g., IoT gateways, cloud services, or custom applications) using APIs or SDKs. This flexibility allows for customization based on specific use cases.

7. **Durability** Depending on the manufacturer, the Eddystone 840C receiver may be built to withstand harsh conditions, such as temperature fluctuations, humidity, or physical stress, making it suitable for outdoor or industrial applications.

8. **Cost-Effective for Large Deployments** While the initial cost may be higher than generic Bluetooth receivers, the long-term benefits such as reduced labor costs for manual tracking, improved asset utilization, and automated workflows often justify the investment.

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1. **Limited to Eddystone Beacons** Unlike universal Bluetooth receivers, the Eddystone 840C is optimized specifically for Eddystone beacons. If your application requires compatibility with other Bluetooth Low Energy (BLE) devices (e.g., iBeacons, AltBeacons, or generic BLE tags), this receiver may not be the best choice.

2. **Potential Dependency on Third-Party Software** While the Eddystone protocol is open, some implementations may require proprietary software or cloud services for full functionality. This could introduce vendor lock-in or additional costs for licensing or maintenance.

3. **Hardware Limitations** The Eddystone 840C receiver may have hardware constraints, such as limited concurrent connection support or processing power, depending on the model. High-density deployments might require additional gateways or repeaters to avoid signal congestion.

4. **Learning Curve for Custom Implementations** Developers unfamiliar with Eddystone or BLE protocols may face a steep learning curve when integrating the receiver into custom applications. This could delay deployment or require hiring specialized expertise.

5. **Power Management Challenges** While the receiver is designed for low power consumption, prolonged use in high-density environments may still require careful battery management or external power solutions, depending on the application.

6. **Limited Off-the-Shelf Availability** Unlike mass-market Bluetooth receivers, the Eddystone 840C may not be as widely stocked by general electronics retailers. Purchasing may require ordering from specialized IoT or beacon manufacturers, which could impact lead times.

7. **Potential for Interference** In environments with heavy Bluetooth traffic (e.g., crowded offices, factories, or smart cities), the Eddystone 840C receiver may experience interference from other BLE devices, reducing its effectiveness unless additional measures (e.g., frequency hopping or signal filtering) are implemented.

8. **Cost for Enterprise-Grade Solutions** While the receiver itself may be affordable, deploying it at scale often requires additional infrastructure (e.g., gateways, cloud services, or IT support), which can increase the total cost of ownership.

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### **Conclusion**

The Eddystone 840C receiver is a robust and specialized tool for applications requiring long-range, Eddystone-compatible proximity detection. Its strengths lie in its sensitivity, scalability, and reliability, making it ideal for enterprise asset tracking, inventory management, and access control systems. However, its limitations such as beacon-specific compatibility, potential software dependencies, and hardware constraints mean it may not be the best fit for applications needing broader BLE support or simpler, off-the-shelf solutions.

If your project involves Eddystone beacons and requires high accuracy, low power consumption, and scalability, the Eddystone 840C receiver is a strong recommendation. Conversely, if you need flexibility across multiple BLE protocols or a plug-and-play solution, a more generic Bluetooth receiver or a different beacon technology (e.g., iBeacon) might be more appropriate.

### **Recommendation**

- You are working with Eddystone beacons and need long-range, reliable detection.

- Your application involves asset tracking, inventory management, or access control in large environments.

- You are willing to invest in a specialized but high-performance solution with long-term scalability.

- You require compatibility with non-Eddystone BLE devices.

- Your project is small-scale or lacks the infrastructure to support a beacon-based system.

- You prefer a simpler, off-the-shelf Bluetooth receiver with broader compatibility.

For most enterprise-level applications where Eddystone beacons are already in use, the Eddystone 840C receiver is a worthwhile investment due to its performance and integration capabilities. However, conduct a thorough cost-benefit analysis and pilot test the solution to ensure it meets your specific requirements before committing to a large-scale deployment.

Details:

Hello I do not have a outdoor antenna were bought this they had one it worked well with modern receiver in comparison is very nice condition strong amp. This grey-coloured receiver, known for its quality and durability, is highly sought after by collectors enthusiasts of amateur radio. The Vintage Eddystone model 840C Receiver is a classic piece of ham radio equipment manufactured in England.

part #: 840c prices

• $26.59-$399.78

specifications hamamateuradio:

• brand: Eddystone
• mpn: 840c
• type: Receiver
• country of origin: United Kingdom
• colour: Grey

offer hamamateuradio:

• sold: 0
• started: March 18, 2026
• availability: In Stock
• quantity: 1
• options: Ship-to-home

general hamamateuradio:

• condition: Used
• Radio Communication > Ham, Amateur Radio > Ham Radio Receivers

payments hamamateuradio:

• other
• credit card: Discover
• wallet: Apple-pay

shipping hamamateuradio:

• cost: $45.00
• class: Standard
• carrier: FedEx
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• transit: 3-8 Days

seller hamamateuradio:

• rating: 100.0%
• city: Burnsville, Minnesota
• # reviews: 439

returns hamamateuradio:

• policy: No Returns

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