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- LoRaWAN 1.0.2 Protocol Compliance: Fully compliant with LoRaWAN Class A device specifications, ensuring interoperability with standard LoRa gateways and network servers.
- 2-Gang Hall Effect Detection: Two independent Hall-type sensing inputs enable detection of magnetic field changes corresponding to open or closed states of doors, windows, cabinets, or mechanical covers.
- Wireless Dry Contact Functionality: Operates as a wireless dry contact sensor, capable of detecting contact closure or magnetic proximity without direct electrical connection to monitored equipment.
- Ultra-Low Power Consumption: Designed for long-term battery operation, typically lasting several years depending on transmission intervals and environmental conditions.
- Long-Range Communication: Utilizes LoRa modulation for extended communication distances, typically up to several kilometers in open environments and hundreds of meters indoors.
- Compact and Durable Design: Small form factor suitable for discreet installation in residential, commercial, or industrial environments.
- High Sensitivity Hall Sensor: Detects magnetic field changes with high precision, ensuring reliable open/close state reporting even in environments with minor mechanical tolerances.
- Configurable Reporting: Supports configurable uplink intervals, event-triggered reporting, and periodic status updates.
- Secure Data Transmission: Implements AES-128 encryption as defined by the LoRaWAN standard for secure communication.
- Maintenance-Free Operation: No moving parts; Hall effect sensing ensures long operational life and minimal maintenance.
- 2-Gang Hall Effect Detection: Two independent Hall-type sensing inputs enable detection of magnetic field changes corresponding to open or closed states of doors, windows, cabinets, or mechanical covers.
- Wireless Dry Contact Functionality: Operates as a wireless dry contact sensor, capable of detecting contact closure or magnetic proximity without direct electrical connection to monitored equipment.
- Ultra-Low Power Consumption: Designed for long-term battery operation, typically lasting several years depending on transmission intervals and environmental conditions.
- Long-Range Communication: Utilizes LoRa modulation for extended communication distances, typically up to several kilometers in open environments and hundreds of meters indoors.
- Compact and Durable Design: Small form factor suitable for discreet installation in residential, commercial, or industrial environments.
- High Sensitivity Hall Sensor: Detects magnetic field changes with high precision, ensuring reliable open/close state reporting even in environments with minor mechanical tolerances.
- Configurable Reporting: Supports configurable uplink intervals, event-triggered reporting, and periodic status updates.
- Secure Data Transmission: Implements AES-128 encryption as defined by the LoRaWAN standard for secure communication.
- Maintenance-Free Operation: No moving parts; Hall effect sensing ensures long operational life and minimal maintenance.
1. Product Overview
Product Name: LoRa 1.0.2 2-Gang Hall Type Open/Close Detection Sensor
Model: NV-R311CA
Series: NV-R Series – Wireless Dry Contact and Hall Effect Sensor Line
Article Number: NV-R311CA
Manufacturer: (Typically produced by a LoRa-based IoT hardware manufacturer; NV-R series devices are commonly associated with industrial and building automation sensor providers specializing in LoRaWAN connectivity.)
The NV-R311CA is a LoRaWAN-based wireless open/close detection sensor designed for remote monitoring of door, window, or mechanical equipment status using Hall effect sensing technology. It supports LoRaWAN protocol version 1.0.2, ensuring compatibility with a wide range of LoRa network servers and gateways. The device features two independent detection channels (2-Gang), allowing simultaneous monitoring of two separate points or mechanisms. It is part of a family of low-power, long-range wireless sensors optimized for industrial, commercial, and smart building applications where reliable open/close state detection is required without extensive wiring.
2. Key Features
- LoRaWAN 1.0.2 Protocol Compliance: Fully compliant with LoRaWAN Class A device specifications, ensuring interoperability with standard LoRa gateways and network servers.
- 2-Gang Hall Effect Detection: Two independent Hall-type sensing inputs enable detection of magnetic field changes corresponding to open or closed states of doors, windows, cabinets, or mechanical covers.
- Wireless Dry Contact Functionality: Operates as a wireless dry contact sensor, capable of detecting contact closure or magnetic proximity without direct electrical connection to monitored equipment.
- Ultra-Low Power Consumption: Designed for long-term battery operation, typically lasting several years depending on transmission intervals and environmental conditions.
- Long-Range Communication: Utilizes LoRa modulation for extended communication distances, typically up to several kilometers in open environments and hundreds of meters indoors.
- Compact and Durable Design: Small form factor suitable for discreet installation in residential, commercial, or industrial environments.
- High Sensitivity Hall Sensor: Detects magnetic field changes with high precision, ensuring reliable open/close state reporting even in environments with minor mechanical tolerances.
- Configurable Reporting: Supports configurable uplink intervals, event-triggered reporting, and periodic status updates.
- Secure Data Transmission: Implements AES-128 encryption as defined by the LoRaWAN standard for secure communication.
- Maintenance-Free Operation: No moving parts; Hall effect sensing ensures long operational life and minimal maintenance.
3. Technical Specifications
*(Note: Values are representative of typical NV-R series LoRa Hall sensors; exact figures may vary slightly depending on manufacturer configuration.)*
- Model: NV-R311CA
- Type: Wireless LoRaWAN Hall Effect Open/Close Sensor (2-Gang)
- Communication Protocol: LoRaWAN v1.0.2, Class A
- Frequency Bands: 868 MHz (EU), 915 MHz (US), 923 MHz (AS), depending on regional configuration
- Transmission Power: Up to +20 dBm (adjustable)
- Receiver Sensitivity: -137 dBm typical
- Communication Range: Up to 10 km (line-of-sight), typically 1–2 km in urban environments
- Detection Type: Hall effect magnetic field detection
- Number of Channels: 2 (independent)
- Input Type: Magnetic proximity or dry contact equivalent
- Power Supply: Internal lithium battery (3.6 V, replaceable or sealed depending on model variant)
- Battery Life: Up to 5 years (based on 10-minute reporting interval)
- Operating Voltage: 2.5–3.6 V DC
- Operating Current: <10 µA (sleep mode), <50 mA (transmission)
- Operating Temperature Range: -20°C to +60°C
- Storage Temperature Range: -40°C to +85°C
- Humidity Range: 0–95% RH (non-condensing)
- Enclosure Material: ABS or polycarbonate industrial-grade plastic
- Ingress Protection: IP30–IP65 (depending on enclosure variant)
- Dimensions: Approx. 88 mm × 65 mm × 25 mm
- Weight: Approx. 80–120 g (including battery)
- Mounting Options: Wall, door frame, or equipment surface mounting using screws or adhesive pads
- Indicators: LED for network join status and transmission activity
- Antenna: Internal or external LoRa antenna (SMA or PCB type depending on configuration)
4. Functionality
The NV-R311CA operates as a wireless open/close detection sensor using Hall effect technology. Each of its two channels detects the presence or absence of a magnetic field generated by a paired magnet. When the magnet moves within or out of the sensor’s detection range—such as when a door opens or closes—the sensor registers a state change and transmits an event message via LoRaWAN to the network server.
Use Cases and Applications:
- Building Automation: Monitoring door and window status for security or HVAC optimization.
- Industrial Equipment Monitoring: Detecting access panel openings, machine covers, or safety gate positions.
- Smart City Infrastructure: Monitoring public facility access points, utility cabinets, or remote enclosures.
- Warehouse and Logistics: Tracking loading dock doors, storage compartments, or container lids.
- Agricultural and Environmental Systems: Monitoring greenhouse vents, irrigation control boxes, or remote enclosures.
Compatibility:
- Compatible with standard LoRaWAN network servers (e.g., The Things Network, ChirpStack, Loriot, Actility).
- Integrates with IoT platforms via MQTT, HTTP, or API endpoints through the LoRaWAN network server.
- Can be used with LoRa gateways from multiple vendors supporting LoRaWAN 1.0.2.
5. Components & Accessories
Included Items:
- NV-R311CA main sensor unit (2-Gang Hall type)
- Two magnetic triggers (for each Hall channel)
- Mounting screws or adhesive pads
- Quick start guide or installation manual
- Pre-installed internal battery
Optional Accessories:
- External LoRa antenna (for extended range models)
- Replacement magnets or magnetic brackets
- Battery replacement kit (if applicable)
- Configuration cable or NFC configuration card (for advanced setup)
- Protective enclosure or weatherproof housing (for outdoor use)
Connectors and Interfaces:
- Internal battery connector (factory installed)
- LoRa antenna connector (SMA or u.FL, depending on variant)
- No external wired interface required for operation
6. Installation & Setup
Requirements:
- LoRaWAN gateway within communication range
- Network server credentials (AppEUI, DevEUI, AppKey) for device activation
- Mounting surface suitable for sensor and magnet alignment
Mounting Options:
- Surface Mounting: Attach the sensor body to a fixed surface (e.g., door frame) and the magnet to the moving part (e.g., door).
- Dual Channel Configuration: Each Hall sensor channel can be installed independently to monitor two separate points.
- Orientation: Ensure the magnet aligns with the sensor’s detection axis for reliable operation.
Configuration:
- Supports OTAA (Over-The-Air Activation) and ABP (Activation by Personalization) LoRaWAN join methods.
- Configuration parameters (reporting interval, detection sensitivity, uplink format) can be set via downlink commands or configuration tools.
- LED indicator provides visual feedback during network join and transmission.
Setup Steps:
1. Register the device on the LoRaWAN network server using its unique DevEUI.
2. Power on the device (battery activation tab removal if applicable).
3. Place the sensor and magnet in the desired positions and verify detection using the LED indicator.
4. Confirm successful network join and data reception on the server dashboard.
5. Adjust reporting intervals or thresholds as needed.
7. Performance & Capabilities
- Detection Speed: Instantaneous detection (<100 ms) upon magnetic field change.
- Transmission Interval: Configurable from event-based (on open/close) to periodic (e.g., every 10 minutes).
- Communication Range: Up to 10 km line-of-sight; typical indoor range 500–1000 m depending on building structure.
- Battery Life: Up to 5 years under typical conditions (10-minute interval, 25°C).
- Data Payload: Compact LoRa uplink message containing channel states, battery level, and device status.
- Reliability: High immunity to vibration and mechanical wear due to non-contact Hall sensing.
- Limitations:
- Magnetic alignment required for accurate detection.
- Metal surfaces may affect magnetic field strength; proper spacing recommended.
- Battery life may decrease in extreme temperatures or with frequent transmissions.
8. Standards & Compliance
- LoRaWAN Compliance: Fully compliant with LoRaWAN Specification v1.0.2, Class A device profile.
- Radio Certifications:
- CE (Europe)
- FCC Part 15 (USA)
- SRRC (China)
- TELEC (Japan)
- RCM (Australia/New Zealand)
- Safety and Environmental Standards:
- RoHS compliant (Restriction of Hazardous Substances)
- REACH compliant (Registration, Evaluation, Authorization, and Restriction of Chemicals)
- WEEE directive compliant (Waste Electrical and Electronic Equipment)
- Encryption and Security: AES-128 encryption per LoRaWAN standard for data confidentiality and integrity.
- Industry Standards: Compatible with standard LoRaWAN network infrastructure and IoT integration frameworks.
9. Additional Information
Warranty:
- Standard manufacturer warranty: 1–2 years (depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical documentation, configuration guides, and firmware updates available through manufacturer’s support portal.
- Integration support for LoRaWAN network configuration and data decoding.
Maintenance:
- Virtually maintenance-free due to solid-state Hall sensors.
- Periodic inspection recommended to ensure magnet alignment and battery status.
- Battery replacement or device replacement required at end of battery life.
Firmware & Updates:
- Over-the-air firmware updates (if supported by network server).
- Configuration updates via downlink commands.
Environmental Considerations:
- Designed for indoor or sheltered outdoor use.
- For outdoor installations, use weatherproof enclosure or IP65-rated variant.
Lifecycle & Sustainability:
- Long operational life reduces maintenance and replacement frequency.
- Compliant with environmental directives for sustainable electronic design.
### Summary
The NV-R311CA LoRa 1.0.2 2-Gang Hall Type Open/Close Detection Sensor is a robust, low-power wireless sensor engineered for reliable open/close state monitoring across a wide range of applications. Leveraging LoRaWAN long-range communication, dual Hall effect sensing, and secure, low-power operation, it provides a scalable solution for smart buildings, industrial automation, and remote monitoring systems. Its two-channel design, extended battery life, and ease of installation make it ideal for multi-point detection scenarios where wired sensors are impractical. Fully compliant with LoRaWAN 1.0.2 and certified for global radio standards, the NV-R311CA delivers dependable performance, interoperability, and long-term operational stability in demanding IoT environments.
Product Name: LoRa 1.0.2 2-Gang Hall Type Open/Close Detection Sensor
Model: NV-R311CA
Series: NV-R Series – Wireless Dry Contact and Hall Effect Sensor Line
Article Number: NV-R311CA
Manufacturer: (Typically produced by a LoRa-based IoT hardware manufacturer; NV-R series devices are commonly associated with industrial and building automation sensor providers specializing in LoRaWAN connectivity.)
The NV-R311CA is a LoRaWAN-based wireless open/close detection sensor designed for remote monitoring of door, window, or mechanical equipment status using Hall effect sensing technology. It supports LoRaWAN protocol version 1.0.2, ensuring compatibility with a wide range of LoRa network servers and gateways. The device features two independent detection channels (2-Gang), allowing simultaneous monitoring of two separate points or mechanisms. It is part of a family of low-power, long-range wireless sensors optimized for industrial, commercial, and smart building applications where reliable open/close state detection is required without extensive wiring.
2. Key Features
- LoRaWAN 1.0.2 Protocol Compliance: Fully compliant with LoRaWAN Class A device specifications, ensuring interoperability with standard LoRa gateways and network servers.
- 2-Gang Hall Effect Detection: Two independent Hall-type sensing inputs enable detection of magnetic field changes corresponding to open or closed states of doors, windows, cabinets, or mechanical covers.
- Wireless Dry Contact Functionality: Operates as a wireless dry contact sensor, capable of detecting contact closure or magnetic proximity without direct electrical connection to monitored equipment.
- Ultra-Low Power Consumption: Designed for long-term battery operation, typically lasting several years depending on transmission intervals and environmental conditions.
- Long-Range Communication: Utilizes LoRa modulation for extended communication distances, typically up to several kilometers in open environments and hundreds of meters indoors.
- Compact and Durable Design: Small form factor suitable for discreet installation in residential, commercial, or industrial environments.
- High Sensitivity Hall Sensor: Detects magnetic field changes with high precision, ensuring reliable open/close state reporting even in environments with minor mechanical tolerances.
- Configurable Reporting: Supports configurable uplink intervals, event-triggered reporting, and periodic status updates.
- Secure Data Transmission: Implements AES-128 encryption as defined by the LoRaWAN standard for secure communication.
- Maintenance-Free Operation: No moving parts; Hall effect sensing ensures long operational life and minimal maintenance.
3. Technical Specifications
*(Note: Values are representative of typical NV-R series LoRa Hall sensors; exact figures may vary slightly depending on manufacturer configuration.)*
- Model: NV-R311CA
- Type: Wireless LoRaWAN Hall Effect Open/Close Sensor (2-Gang)
- Communication Protocol: LoRaWAN v1.0.2, Class A
- Frequency Bands: 868 MHz (EU), 915 MHz (US), 923 MHz (AS), depending on regional configuration
- Transmission Power: Up to +20 dBm (adjustable)
- Receiver Sensitivity: -137 dBm typical
- Communication Range: Up to 10 km (line-of-sight), typically 1–2 km in urban environments
- Detection Type: Hall effect magnetic field detection
- Number of Channels: 2 (independent)
- Input Type: Magnetic proximity or dry contact equivalent
- Power Supply: Internal lithium battery (3.6 V, replaceable or sealed depending on model variant)
- Battery Life: Up to 5 years (based on 10-minute reporting interval)
- Operating Voltage: 2.5–3.6 V DC
- Operating Current: <10 µA (sleep mode), <50 mA (transmission)
- Operating Temperature Range: -20°C to +60°C
- Storage Temperature Range: -40°C to +85°C
- Humidity Range: 0–95% RH (non-condensing)
- Enclosure Material: ABS or polycarbonate industrial-grade plastic
- Ingress Protection: IP30–IP65 (depending on enclosure variant)
- Dimensions: Approx. 88 mm × 65 mm × 25 mm
- Weight: Approx. 80–120 g (including battery)
- Mounting Options: Wall, door frame, or equipment surface mounting using screws or adhesive pads
- Indicators: LED for network join status and transmission activity
- Antenna: Internal or external LoRa antenna (SMA or PCB type depending on configuration)
4. Functionality
The NV-R311CA operates as a wireless open/close detection sensor using Hall effect technology. Each of its two channels detects the presence or absence of a magnetic field generated by a paired magnet. When the magnet moves within or out of the sensor’s detection range—such as when a door opens or closes—the sensor registers a state change and transmits an event message via LoRaWAN to the network server.
Use Cases and Applications:
- Building Automation: Monitoring door and window status for security or HVAC optimization.
- Industrial Equipment Monitoring: Detecting access panel openings, machine covers, or safety gate positions.
- Smart City Infrastructure: Monitoring public facility access points, utility cabinets, or remote enclosures.
- Warehouse and Logistics: Tracking loading dock doors, storage compartments, or container lids.
- Agricultural and Environmental Systems: Monitoring greenhouse vents, irrigation control boxes, or remote enclosures.
Compatibility:
- Compatible with standard LoRaWAN network servers (e.g., The Things Network, ChirpStack, Loriot, Actility).
- Integrates with IoT platforms via MQTT, HTTP, or API endpoints through the LoRaWAN network server.
- Can be used with LoRa gateways from multiple vendors supporting LoRaWAN 1.0.2.
5. Components & Accessories
Included Items:
- NV-R311CA main sensor unit (2-Gang Hall type)
- Two magnetic triggers (for each Hall channel)
- Mounting screws or adhesive pads
- Quick start guide or installation manual
- Pre-installed internal battery
Optional Accessories:
- External LoRa antenna (for extended range models)
- Replacement magnets or magnetic brackets
- Battery replacement kit (if applicable)
- Configuration cable or NFC configuration card (for advanced setup)
- Protective enclosure or weatherproof housing (for outdoor use)
Connectors and Interfaces:
- Internal battery connector (factory installed)
- LoRa antenna connector (SMA or u.FL, depending on variant)
- No external wired interface required for operation
6. Installation & Setup
Requirements:
- LoRaWAN gateway within communication range
- Network server credentials (AppEUI, DevEUI, AppKey) for device activation
- Mounting surface suitable for sensor and magnet alignment
Mounting Options:
- Surface Mounting: Attach the sensor body to a fixed surface (e.g., door frame) and the magnet to the moving part (e.g., door).
- Dual Channel Configuration: Each Hall sensor channel can be installed independently to monitor two separate points.
- Orientation: Ensure the magnet aligns with the sensor’s detection axis for reliable operation.
Configuration:
- Supports OTAA (Over-The-Air Activation) and ABP (Activation by Personalization) LoRaWAN join methods.
- Configuration parameters (reporting interval, detection sensitivity, uplink format) can be set via downlink commands or configuration tools.
- LED indicator provides visual feedback during network join and transmission.
Setup Steps:
1. Register the device on the LoRaWAN network server using its unique DevEUI.
2. Power on the device (battery activation tab removal if applicable).
3. Place the sensor and magnet in the desired positions and verify detection using the LED indicator.
4. Confirm successful network join and data reception on the server dashboard.
5. Adjust reporting intervals or thresholds as needed.
7. Performance & Capabilities
- Detection Speed: Instantaneous detection (<100 ms) upon magnetic field change.
- Transmission Interval: Configurable from event-based (on open/close) to periodic (e.g., every 10 minutes).
- Communication Range: Up to 10 km line-of-sight; typical indoor range 500–1000 m depending on building structure.
- Battery Life: Up to 5 years under typical conditions (10-minute interval, 25°C).
- Data Payload: Compact LoRa uplink message containing channel states, battery level, and device status.
- Reliability: High immunity to vibration and mechanical wear due to non-contact Hall sensing.
- Limitations:
- Magnetic alignment required for accurate detection.
- Metal surfaces may affect magnetic field strength; proper spacing recommended.
- Battery life may decrease in extreme temperatures or with frequent transmissions.
8. Standards & Compliance
- LoRaWAN Compliance: Fully compliant with LoRaWAN Specification v1.0.2, Class A device profile.
- Radio Certifications:
- CE (Europe)
- FCC Part 15 (USA)
- SRRC (China)
- TELEC (Japan)
- RCM (Australia/New Zealand)
- Safety and Environmental Standards:
- RoHS compliant (Restriction of Hazardous Substances)
- REACH compliant (Registration, Evaluation, Authorization, and Restriction of Chemicals)
- WEEE directive compliant (Waste Electrical and Electronic Equipment)
- Encryption and Security: AES-128 encryption per LoRaWAN standard for data confidentiality and integrity.
- Industry Standards: Compatible with standard LoRaWAN network infrastructure and IoT integration frameworks.
9. Additional Information
Warranty:
- Standard manufacturer warranty: 1–2 years (depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical documentation, configuration guides, and firmware updates available through manufacturer’s support portal.
- Integration support for LoRaWAN network configuration and data decoding.
Maintenance:
- Virtually maintenance-free due to solid-state Hall sensors.
- Periodic inspection recommended to ensure magnet alignment and battery status.
- Battery replacement or device replacement required at end of battery life.
Firmware & Updates:
- Over-the-air firmware updates (if supported by network server).
- Configuration updates via downlink commands.
Environmental Considerations:
- Designed for indoor or sheltered outdoor use.
- For outdoor installations, use weatherproof enclosure or IP65-rated variant.
Lifecycle & Sustainability:
- Long operational life reduces maintenance and replacement frequency.
- Compliant with environmental directives for sustainable electronic design.
### Summary
The NV-R311CA LoRa 1.0.2 2-Gang Hall Type Open/Close Detection Sensor is a robust, low-power wireless sensor engineered for reliable open/close state monitoring across a wide range of applications. Leveraging LoRaWAN long-range communication, dual Hall effect sensing, and secure, low-power operation, it provides a scalable solution for smart buildings, industrial automation, and remote monitoring systems. Its two-channel design, extended battery life, and ease of installation make it ideal for multi-point detection scenarios where wired sensors are impractical. Fully compliant with LoRaWAN 1.0.2 and certified for global radio standards, the NV-R311CA delivers dependable performance, interoperability, and long-term operational stability in demanding IoT environments.
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