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Wireless Transmitter 433Mhz, Lora Shield for Leonardo,, UNO, Mega2560,, Duemilanove, Due
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SKU: TES-EV00006402
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Wireless Transmitter 433Mhz, Lora Shield for Leonardo, UNO, Mega2560, Duemilanove, Due
The 433MHz LoRa Shield is a long-range wireless communication module designed for Arduino-compatible microcontrollers including Leonardo, UNO, Mega2560, Duemilanove, and Due platforms. This shield enables IoT developers and embedded systems engineers to build low-power, wide-area network applications with transmission ranges exceeding 1 kilometer in open environments. It solves the critical challenge of establishing reliable wireless connectivity for remote sensor networks, telemetry systems, and distributed IoT deployments without requiring cellular infrastructure or WiFi dependency.
Product Overview
The 433MHz LoRa Shield operates on the unlicensed Industrial Scientific Medical (ISM) band, utilizing LoRa modulation technology to achieve extended range communication with minimal power consumption. The shield stacks directly onto Arduino boards via standard headers, providing seamless integration with the Arduino ecosystem. It communicates with the host microcontroller through SPI protocol, allowing developers to leverage existing Arduino libraries and development environments. The LoRa transceiver chip delivers superior link budget and interference immunity compared to standard RF modules, making it ideal for applications requiring reliable long-distance communication in noisy RF environments.
This shield incorporates a high-gain antenna design optimized for 433MHz frequency band operation, delivering robust signal propagation through obstacles and over extended distances. The module features adjustable transmission power levels from +2dBm to +20dBm, enabling developers to balance range requirements with power consumption constraints. Built-in frequency hopping spread spectrum (FHSS) technology and AES-128 encryption capabilities provide secure and interference-resistant communication. The shield includes onboard status LEDs for visual feedback during transmission and reception, facilitating debugging and system monitoring during development and deployment phases.
Key Specifications
| Specification | Details |
| Product Type | 433MHz LoRa Wireless Shield Module |
| Compatible Platforms | Arduino Leonardo, UNO, Mega2560, Duemilanove, Due |
| Communication Protocol | SPI (Serial Peripheral Interface) |
| Frequency Band | 433MHz ISM Band (unlicensed) |
| Transmission Range | Up to 1-2 kilometers (open field, line of sight) |
| Data Rate | 50 bps to 37.5 kbps (configurable) |
| Transmission Power | +2dBm to +20dBm (adjustable) |
| Modulation | LoRa (Long Range) |
| Antenna | Integrated PCB antenna optimized for 433MHz |
| Operating Voltage | 3.3V to 5V |
| Current Consumption | Transmit: 120mA, Receive: 12mA, Sleep: less than 1uA |
| Security | AES-128 encryption with FHSS support |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
Key Features
- Extended Range Communication: Achieves 1-2 kilometer transmission distance in open environments, eliminating line-of-sight limitations of standard RF modules
- Low Power Consumption: Sleep mode current below 1 microampere enables battery-powered IoT devices with multi-year operational lifespan
- Universal Arduino Compatibility: Direct shield connector compatibility with Leonardo, UNO, Mega2560, Duemilanove, and Due boards without additional adapters
- Configurable Data Rates: Supports variable spreading factors and bandwidth settings from 50 bps to 37.5 kbps for optimizing range versus data throughput tradeoffs
- Built-in Security: AES-128 encryption and frequency hopping spread spectrum prevent unauthorized access and reduce interference susceptibility
- Adjustable Transmission Power: Dynamic power control from +2dBm to +20dBm allows developers to optimize range and battery life for specific deployment scenarios
- Visual Status Indicators: Onboard LEDs provide real-time feedback on transmission, reception, and module status during development and troubleshooting
Applications and Use Cases
- Remote Environmental Monitoring: Deploy temperature, humidity, and air quality sensors across agricultural fields or industrial facilities with wireless data transmission over kilometers without cellular infrastructure
- Smart Metering Systems: Implement utility meter reading networks for electricity, water, and gas consumption monitoring across distributed locations with reliable long-range connectivity
- Wildlife Tracking and Research: Attach GPS-enabled tracking devices to animals with periodic location updates transmitted wirelessly to base stations across vast geographical areas
- Industrial IoT and Predictive Maintenance: Monitor equipment vibration, temperature, and operational parameters in factories and warehouses, transmitting alerts when anomalies exceed predefined thresholds
- Smart City Infrastructure: Build mesh networks for street lighting control, parking availability monitoring, and environmental sensing across urban areas with minimal power requirements
- Drone and Robotics Communication: Establish reliable telemetry links between autonomous vehicles and ground control stations with extended range and low latency requirements
How to Use
Begin by inserting the LoRa Shield onto your Arduino board, aligning the pin headers with the microcontroller socket. Connect the antenna to the SMA connector on the shield for optimal 433MHz signal propagation. Install the Arduino LoRa library through the IDE library manager, then initialize SPI communication with the transceiver chip using the provided example sketches. Configure the frequency to 433MHz, set spreading factor and bandwidth parameters based on your range and data rate requirements, and implement interrupt handlers for packet reception events.
For transmitting data, prepare your message payload, set the transmission power level appropriate for your application, and call the send function with the target destination address. For receiving data, enable continuous listening mode on receiver nodes and implement callback functions to process incoming packets. Test your configuration in an open field environment first to establish baseline range performance, then deploy in your target environment while monitoring signal strength indicators and packet loss rates. Utilize the onboard status LEDs and serial debug output to troubleshoot connectivity issues and optimize antenna placement for maximum coverage.
Frequently Asked Questions
What is the actual transmission range of this 433MHz LoRa Shield?
The theoretical maximum range in open field with line of sight is 1-2 kilometers depending on antenna quality, transmit power setting, and spreading factor configuration. In urban environments with obstacles, expect 200-500 meters. Range decreases with higher data rates and lower transmit power settings. Spreading factor 12 provides maximum range but slower data transmission, while spreading factor 7 offers faster data rates with reduced range.
Can I use this shield with Arduino boards other than those listed?
The shield is designed for boards with standard Arduino headers including Leonardo, UNO, Mega2560, Duemilanove, and Due. It may work with compatible clones and variants that maintain pin-compatible headers, but we recommend verifying SPI pin compatibility before purchase. The shield requires pins D10 (CS), D11 (MOSI), D12 (MISO), and D13 (SCK) for SPI communication.
What power supply voltage does the LoRa Shield require?
The shield operates at 3.3V logic levels but accepts 3.3V to 5V input through the Arduino board's power pins. The onboard voltage regulator converts 5V input to 3.3V for the LoRa transceiver chip. During transmission at maximum power, the module draws up to 120mA, so ensure your power supply can provide adequate current. For battery-powered applications, use a 3.3V regulated supply to minimize power dissipation in the voltage regulator.
How do I secure communication between multiple LoRa nodes?
The shield supports AES-128 encryption for payload data. Implement encryption in your application code by encrypting the message before transmission and decrypting after reception. Additionally, use frequency hopping spread spectrum (FHSS) mode to randomize transmission frequencies within the 433MHz band, making it difficult for unauthorized receivers to intercept communications. Assign unique network IDs and node addresses to create logical network segmentation.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Wireless Transmitter 433Mhz, Lora Shield for Leonardo, UNO, Mega2560, Duemilanove, Due Online in India
Purchase the Wireless Transmitter 433Mhz, Lora Shield for Leonardo, UNO, Mega2560, Duemilanove, Due online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Wireless Transmitter 433Mhz, Lora Shield for Leonardo, UNO, Mega2560, Duemilanove, Due with fast shipping and expert support.
Our
Wireless Transmitter 433Mhz, Lora Shield for Leonardo, UNO, Mega2560, Duemilanove, Due
The 433MHz LoRa Shield is a long-range wireless communication module designed for Arduino-compatible microcontrollers including Leonardo, UNO, Mega2560, Duemilanove, and Due platforms. This shield enables IoT developers and embedded systems engineers to build low-power, wide-area network applications with transmission ranges exceeding 1 kilometer in open environments. It solves the critical challenge of establishing reliable wireless connectivity for remote sensor networks, telemetry systems, and distributed IoT deployments without requiring cellular infrastructure or WiFi dependency.
Product Overview
The 433MHz LoRa Shield operates on the unlicensed Industrial Scientific Medical (ISM) band, utilizing LoRa modulation technology to achieve extended range communication with minimal power consumption. The shield stacks directly onto Arduino boards via standard headers, providing seamless integration with the Arduino ecosystem. It communicates with the host microcontroller through SPI protocol, allowing developers to leverage existing Arduino libraries and development environments. The LoRa transceiver chip delivers superior link budget and interference immunity compared to standard RF modules, making it ideal for applications requiring reliable long-distance communication in noisy RF environments.
This shield incorporates a high-gain antenna design optimized for 433MHz frequency band operation, delivering robust signal propagation through obstacles and over extended distances. The module features adjustable transmission power levels from +2dBm to +20dBm, enabling developers to balance range requirements with power consumption constraints. Built-in frequency hopping spread spectrum (FHSS) technology and AES-128 encryption capabilities provide secure and interference-resistant communication. The shield includes onboard status LEDs for visual feedback during transmission and reception, facilitating debugging and system monitoring during development and deployment phases.
Key Specifications
| Specification | Details |
| Product Type | 433MHz LoRa Wireless Shield Module |
| Compatible Platforms | Arduino Leonardo, UNO, Mega2560, Duemilanove, Due |
| Communication Protocol | SPI (Serial Peripheral Interface) |
| Frequency Band | 433MHz ISM Band (unlicensed) |
| Transmission Range | Up to 1-2 kilometers (open field, line of sight) |
| Data Rate | 50 bps to 37.5 kbps (configurable) |
| Transmission Power | +2dBm to +20dBm (adjustable) |
| Modulation | LoRa (Long Range) |
| Antenna | Integrated PCB antenna optimized for 433MHz |
| Operating Voltage | 3.3V to 5V |
| Current Consumption | Transmit: 120mA, Receive: 12mA, Sleep: less than 1uA |
| Security | AES-128 encryption with FHSS support |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
Key Features
- Extended Range Communication: Achieves 1-2 kilometer transmission distance in open environments, eliminating line-of-sight limitations of standard RF modules
- Low Power Consumption: Sleep mode current below 1 microampere enables battery-powered IoT devices with multi-year operational lifespan
- Universal Arduino Compatibility: Direct shield connector compatibility with Leonardo, UNO, Mega2560, Duemilanove, and Due boards without additional adapters
- Configurable Data Rates: Supports variable spreading factors and bandwidth settings from 50 bps to 37.5 kbps for optimizing range versus data throughput tradeoffs
- Built-in Security: AES-128 encryption and frequency hopping spread spectrum prevent unauthorized access and reduce interference susceptibility
- Adjustable Transmission Power: Dynamic power control from +2dBm to +20dBm allows developers to optimize range and battery life for specific deployment scenarios
- Visual Status Indicators: Onboard LEDs provide real-time feedback on transmission, reception, and module status during development and troubleshooting
Applications and Use Cases
- Remote Environmental Monitoring: Deploy temperature, humidity, and air quality sensors across agricultural fields or industrial facilities with wireless data transmission over kilometers without cellular infrastructure
- Smart Metering Systems: Implement utility meter reading networks for electricity, water, and gas consumption monitoring across distributed locations with reliable long-range connectivity
- Wildlife Tracking and Research: Attach GPS-enabled tracking devices to animals with periodic location updates transmitted wirelessly to base stations across vast geographical areas
- Industrial IoT and Predictive Maintenance: Monitor equipment vibration, temperature, and operational parameters in factories and warehouses, transmitting alerts when anomalies exceed predefined thresholds
- Smart City Infrastructure: Build mesh networks for street lighting control, parking availability monitoring, and environmental sensing across urban areas with minimal power requirements
- Drone and Robotics Communication: Establish reliable telemetry links between autonomous vehicles and ground control stations with extended range and low latency requirements
How to Use
Begin by inserting the LoRa Shield onto your Arduino board, aligning the pin headers with the microcontroller socket. Connect the antenna to the SMA connector on the shield for optimal 433MHz signal propagation. Install the Arduino LoRa library through the IDE library manager, then initialize SPI communication with the transceiver chip using the provided example sketches. Configure the frequency to 433MHz, set spreading factor and bandwidth parameters based on your range and data rate requirements, and implement interrupt handlers for packet reception events.
For transmitting data, prepare your message payload, set the transmission power level appropriate for your application, and call the send function with the target destination address. For receiving data, enable continuous listening mode on receiver nodes and implement callback functions to process incoming packets. Test your configuration in an open field environment first to establish baseline range performance, then deploy in your target environment while monitoring signal strength indicators and packet loss rates. Utilize the onboard status LEDs and serial debug output to troubleshoot connectivity issues and optimize antenna placement for maximum coverage.
Frequently Asked Questions
What is the actual transmission range of this 433MHz LoRa Shield?
The theoretical maximum range in open field with line of sight is 1-2 kilometers depending on antenna quality, transmit power setting, and spreading factor configuration. In urban environments with obstacles, expect 200-500 meters. Range decreases with higher data rates and lower transmit power settings. Spreading factor 12 provides maximum range but slower data transmission, while spreading factor 7 offers faster data rates with reduced range.
Can I use this shield with Arduino boards other than those listed?
The shield is designed for boards with standard Arduino headers including Leonardo, UNO, Mega2560, Duemilanove, and Due. It may work with compatible clones and variants that maintain pin-compatible headers, but we recommend verifying SPI pin compatibility before purchase. The shield requires pins D10 (CS), D11 (MOSI), D12 (MISO), and D13 (SCK) for SPI communication.
What power supply voltage does the LoRa Shield require?
The shield operates at 3.3V logic levels but accepts 3.3V to 5V input through the Arduino board's power pins. The onboard voltage regulator converts 5V input to 3.3V for the LoRa transceiver chip. During transmission at maximum power, the module draws up to 120mA, so ensure your power supply can provide adequate current. For battery-powered applications, use a 3.3V regulated supply to minimize power dissipation in the voltage regulator.
How do I secure communication between multiple LoRa nodes?
The shield supports AES-128 encryption for payload data. Implement encryption in your application code by encrypting the message before transmission and decrypting after reception. Additionally, use frequency hopping spread spectrum (FHSS) mode to randomize transmission frequencies within the 433MHz band, making it difficult for unauthorized receivers to intercept communications. Assign unique network IDs and node addresses to create logical network segmentation.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Wireless Transmitter 433Mhz, Lora Shield for Leonardo, UNO, Mega2560, Duemilanove, Due Online in India
Purchase the Wireless Transmitter 433Mhz, Lora Shield for Leonardo, UNO, Mega2560, Duemilanove, Due online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Wireless Transmitter 433Mhz, Lora Shield for Leonardo, UNO, Mega2560, Duemilanove, Due with fast shipping and expert support.
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