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LoRa 433MHZ SX1278 SX1276 Wireless Transmitter and Receiver RF Module 8000M E32-433T30D UART
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SKU: TES-EV00006381
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LoRa 433MHZ SX1278 SX1276 Wireless Transmitter and Receiver RF Module 8000M E32-433T30D UART
The E32-433T30D is a professional-grade LoRa RF module featuring the SX1278 chipset, designed for ultra-long-range wireless communication up to 8 kilometers in open space using the unlicensed 433MHz ISM band. IoT engineers, embedded systems developers, and industrial automation specialists rely on this module for building reliable point-to-point and point-to-multipoint wireless networks with minimal power consumption. This module solves the critical challenge of establishing cost-effective, low-power communication links for remote sensor monitoring, telemetry systems, and distributed IoT applications where WiFi and cellular networks are impractical or unavailable.
Product Overview
The LoRa 433MHZ SX1278 SX1276 E32-433T30D module operates on LoRa modulation technology, which provides superior range and penetration compared to traditional FSK or ASK modulation schemes. The SX1278 transceiver chip implements Semtech's proprietary LoRa spread spectrum modulation, enabling communication over distances exceeding 8 kilometers in line-of-sight conditions while maintaining low power draw. The module integrates a 30dBm power amplifier, allowing it to achieve exceptional link budget and overcome path loss in challenging RF environments. The UART interface simplifies integration with microcontrollers like Arduino, STM32, and Raspberry Pi, requiring minimal firmware development and supporting standard serial communication protocols at configurable baud rates up to 115200bps.
This particular variant delivers 1 watt (30dBm) transmission power with adjustable output levels from 0 to 30dBm, making it suitable for both short-range indoor applications and long-range outdoor deployments. The module features built-in frequency hopping spread spectrum (FHSS) capabilities, automatic frequency calibration, and support for multiple spreading factors (SF7 to SF12), allowing developers to optimize the trade-off between range, data rate, and power consumption based on specific application requirements. With a compact form factor and integrated antenna connector, the E32-433T30D can be easily mounted on PCBs or integrated into enclosures without requiring external RF design expertise.
Key Specifications
| Specification | Details |
| Product Type | LoRa Wireless Transceiver RF Module |
| Brand | EBYTE (Chengdu Ebyte Electronics) |
| 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 |
| Frequency Band | 433MHz ISM Band (unlicensed) |
| Transmission Power | 30dBm (1 Watt) maximum, adjustable 0-30dBm |
| Communication Range | Up to 8000 meters in open space, 400-1000 meters urban |
| Modulation Type | LoRa (Long Range) Spread Spectrum |
| Transceiver Chip | Semtech SX1278 |
| Interface | UART (TTL 3.3V logic level) |
| Baud Rate | 1200 to 115200 bps (configurable) |
| Sensitivity | -139dBm at SF12 (maximum range setting) |
| Power Supply | 3.3V to 5V DC, typical 80mA transmit, 10mA receive |
| Sleep Current | Less than 1mA in sleep mode |
| Operating Temperature | -40 to +85 degrees Celsius |
| Antenna Connector | SMA female connector |
| PCB Dimensions | 32mm x 52mm x 12mm |
Key Features
- Ultra-Long Range Communication: Achieves 8000 meters line-of-sight transmission distance using LoRa modulation, enabling deployment in remote areas without additional infrastructure
- High Transmission Power: 30dBm (1 Watt) output with adjustable power levels from 0-30dBm, providing flexibility for power budget optimization in battery-powered applications
- Low Power Consumption: Draws only 10mA in receive mode and less than 1mA in sleep mode, making it ideal for battery-operated IoT devices with extended deployment periods
- Simple UART Integration: TTL-level UART interface operates at 3.3V logic, enabling direct connection to Arduino, STM32, PIC microcontrollers without level shifters
- Configurable Spreading Factors: Supports SF7 through SF12, allowing dynamic adjustment of range versus data rate trade-offs based on real-time network conditions
- Automatic Frequency Calibration: Built-in calibration ensures stable operation across temperature variations without manual tuning or external components
- Multiple Operating Modes: Supports transparent transmission, fixed-point addressing, and multipoint networking modes for diverse application scenarios
Applications and Use Cases
- Agricultural IoT Monitoring: Deploy soil moisture, temperature, and humidity sensors across large farm areas using a single gateway, eliminating the need for cellular connectivity or WiFi infrastructure in rural regions
- Industrial Asset Tracking: Monitor movement and location of equipment, containers, and vehicles across factory floors and logistics facilities with real-time position updates over 8km ranges
- Environmental Monitoring Networks: Establish distributed sensor networks for air quality, water level, and weather data collection across cities or national parks with minimal power consumption
- Smart Meter Reading Systems: Create automatic meter reading (AMR) infrastructure for utilities to collect consumption data from residential and commercial properties across neighborhoods without manual intervention
- Drone Telemetry and Control: Implement long-range communication links for unmanned aerial vehicles, allowing extended flight operations beyond visual line of sight (BVLOS) with reliable command and control
- Building Automation: Integrate wireless sensors for occupancy detection, HVAC control, and emergency alert systems in multi-story buildings where WiFi coverage is unreliable
How to Use
Begin by connecting the E32-433T30D module to your microcontroller via UART. The module requires four connections: VCC (3.3V to 5V), GND, TX (transmit data), and RX (receive data). Configure the module parameters using AT commands through the UART interface before deployment. Access configuration mode by pulling the M0 and M1 pins low, then send commands to set the node address, channel frequency, spreading factor, and transmission power according to your application requirements. Once configured, the module can be switched to normal transmission mode by setting M0 and M1 high, after which it automatically sends and receives data packets through the UART interface.
For optimal performance, attach an external antenna to the SMA connector and position it vertically for maximum range. Implement error checking in your firmware using the module's built-in CRC verification to ensure data integrity over long distances. When designing multi-node networks, assign unique addresses to each module and use the module's built-in addressing features to enable selective communication between specific nodes. For battery-powered applications, utilize the sleep mode by pulling the AUX pin low to reduce power consumption between transmission cycles, allowing devices to operate for months on standard AA batteries.
Frequently Asked Questions
What is the actual communication range of the E32-433T30D module?
The maximum range of 8000 meters is achievable only in open line-of-sight conditions with optimal antenna placement and SF12 spreading factor. In urban environments with buildings and obstacles, expect 400-1000 meters depending on construction materials and RF interference. Range decreases significantly indoors due to wall attenuation; typical indoor range is 50-200 meters. To maximize range, use high spreading factors (SF11-SF12), ensure proper antenna orientation, minimize transmit power to reduce interference, and avoid RF-noisy environments near WiFi routers or microwave ovens.
Can I use this module with Arduino or Raspberry Pi?
Yes, the E32-433T30D integrates seamlessly with Arduino boards and Raspberry Pi via UART. For Arduino, connect TX to pin 0 (RX) and RX to pin 1 (TX), or use software serial on any two digital pins. For Raspberry Pi, connect to the GPIO UART pins (GPIO14 TX and GPIO15 RX). The module operates at 3.3V logic levels, which is compatible with Raspberry Pi but requires a level shifter for Arduino boards running at 5V. Libraries are available on GitHub for both platforms, simplifying integration and reducing development time.
What spreading factor should I use for my application?
Spreading factor selection depends on your range and data rate requirements. SF7 provides maximum data rate (5.5kbps) but minimum range, suitable for short-distance, high-bandwidth applications. SF12 offers maximum range and link budget but lowest data rate (0.3kbps), ideal for long-distance sensor monitoring where bandwidth is not critical. For most IoT applications, SF9-SF10 provides a balanced compromise between range (2-4km) and data rate (1.2-2.3kbps). Dynamically adjust spreading factors based on signal strength measurements to optimize network performance.
How much power does this module consume?
The E32-433T30D consumes approximately 80mA during transmission at full 30dBm power, 10mA in receive mode, and less than 1mA in sleep mode. For battery-powered applications, calculate battery life by multiplying capacity (mAh) by duty cycle percentage. For example, a 2000mAh battery with 1 percent duty cycle (transmitting 1 second every 100 seconds) provides approximately 200 hours of operation. Reducing transmission power to lower dBm levels decreases current draw proportionally, extending battery life further.
Is this module suitable for outdoor deployment?
Yes, the E32-433T30D is designed for outdoor applications and operates reliably in temperatures from -40 to +85 degrees Celsius. However, protect the module from direct water exposure by housing it in an IP65 or higher rated enclosure. The SMA antenna connector allows external antenna installation away from the main electronics, improving signal quality in wet conditions. For permanent outdoor installations, use stainless steel hardware and conformal coating on PCBs to prevent corrosion from humidity and salt spray.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse
Buy LoRa 433MHZ SX1278 SX1276 Wireless Transmitter and Receiver RF Module 8000M E32-433T30D UART Online in India
Purchase the LoRa 433MHZ SX1278 SX1276 Wireless Transmitter and Receiver RF Module 8000M E32-433T30D UART 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.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
LoRa 433MHZ SX1278 SX1276 Wireless Transmitter and Receiver RF Module 8000M E32-433T30D UART
The E32-433T30D is a professional-grade LoRa RF module featuring the SX1278 chipset, designed for ultra-long-range wireless communication up to 8 kilometers in open space using the unlicensed 433MHz ISM band. IoT engineers, embedded systems developers, and industrial automation specialists rely on this module for building reliable point-to-point and point-to-multipoint wireless networks with minimal power consumption. This module solves the critical challenge of establishing cost-effective, low-power communication links for remote sensor monitoring, telemetry systems, and distributed IoT applications where WiFi and cellular networks are impractical or unavailable.
Product Overview
The LoRa 433MHZ SX1278 SX1276 E32-433T30D module operates on LoRa modulation technology, which provides superior range and penetration compared to traditional FSK or ASK modulation schemes. The SX1278 transceiver chip implements Semtech's proprietary LoRa spread spectrum modulation, enabling communication over distances exceeding 8 kilometers in line-of-sight conditions while maintaining low power draw. The module integrates a 30dBm power amplifier, allowing it to achieve exceptional link budget and overcome path loss in challenging RF environments. The UART interface simplifies integration with microcontrollers like Arduino, STM32, and Raspberry Pi, requiring minimal firmware development and supporting standard serial communication protocols at configurable baud rates up to 115200bps.
This particular variant delivers 1 watt (30dBm) transmission power with adjustable output levels from 0 to 30dBm, making it suitable for both short-range indoor applications and long-range outdoor deployments. The module features built-in frequency hopping spread spectrum (FHSS) capabilities, automatic frequency calibration, and support for multiple spreading factors (SF7 to SF12), allowing developers to optimize the trade-off between range, data rate, and power consumption based on specific application requirements. With a compact form factor and integrated antenna connector, the E32-433T30D can be easily mounted on PCBs or integrated into enclosures without requiring external RF design expertise.
Key Specifications
| Specification | Details |
| Product Type | LoRa Wireless Transceiver RF Module |
| Brand | EBYTE (Chengdu Ebyte Electronics) |
| 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 |
| Frequency Band | 433MHz ISM Band (unlicensed) |
| Transmission Power | 30dBm (1 Watt) maximum, adjustable 0-30dBm |
| Communication Range | Up to 8000 meters in open space, 400-1000 meters urban |
| Modulation Type | LoRa (Long Range) Spread Spectrum |
| Transceiver Chip | Semtech SX1278 |
| Interface | UART (TTL 3.3V logic level) |
| Baud Rate | 1200 to 115200 bps (configurable) |
| Sensitivity | -139dBm at SF12 (maximum range setting) |
| Power Supply | 3.3V to 5V DC, typical 80mA transmit, 10mA receive |
| Sleep Current | Less than 1mA in sleep mode |
| Operating Temperature | -40 to +85 degrees Celsius |
| Antenna Connector | SMA female connector |
| PCB Dimensions | 32mm x 52mm x 12mm |
Key Features
- Ultra-Long Range Communication: Achieves 8000 meters line-of-sight transmission distance using LoRa modulation, enabling deployment in remote areas without additional infrastructure
- High Transmission Power: 30dBm (1 Watt) output with adjustable power levels from 0-30dBm, providing flexibility for power budget optimization in battery-powered applications
- Low Power Consumption: Draws only 10mA in receive mode and less than 1mA in sleep mode, making it ideal for battery-operated IoT devices with extended deployment periods
- Simple UART Integration: TTL-level UART interface operates at 3.3V logic, enabling direct connection to Arduino, STM32, PIC microcontrollers without level shifters
- Configurable Spreading Factors: Supports SF7 through SF12, allowing dynamic adjustment of range versus data rate trade-offs based on real-time network conditions
- Automatic Frequency Calibration: Built-in calibration ensures stable operation across temperature variations without manual tuning or external components
- Multiple Operating Modes: Supports transparent transmission, fixed-point addressing, and multipoint networking modes for diverse application scenarios
Applications and Use Cases
- Agricultural IoT Monitoring: Deploy soil moisture, temperature, and humidity sensors across large farm areas using a single gateway, eliminating the need for cellular connectivity or WiFi infrastructure in rural regions
- Industrial Asset Tracking: Monitor movement and location of equipment, containers, and vehicles across factory floors and logistics facilities with real-time position updates over 8km ranges
- Environmental Monitoring Networks: Establish distributed sensor networks for air quality, water level, and weather data collection across cities or national parks with minimal power consumption
- Smart Meter Reading Systems: Create automatic meter reading (AMR) infrastructure for utilities to collect consumption data from residential and commercial properties across neighborhoods without manual intervention
- Drone Telemetry and Control: Implement long-range communication links for unmanned aerial vehicles, allowing extended flight operations beyond visual line of sight (BVLOS) with reliable command and control
- Building Automation: Integrate wireless sensors for occupancy detection, HVAC control, and emergency alert systems in multi-story buildings where WiFi coverage is unreliable
How to Use
Begin by connecting the E32-433T30D module to your microcontroller via UART. The module requires four connections: VCC (3.3V to 5V), GND, TX (transmit data), and RX (receive data). Configure the module parameters using AT commands through the UART interface before deployment. Access configuration mode by pulling the M0 and M1 pins low, then send commands to set the node address, channel frequency, spreading factor, and transmission power according to your application requirements. Once configured, the module can be switched to normal transmission mode by setting M0 and M1 high, after which it automatically sends and receives data packets through the UART interface.
For optimal performance, attach an external antenna to the SMA connector and position it vertically for maximum range. Implement error checking in your firmware using the module's built-in CRC verification to ensure data integrity over long distances. When designing multi-node networks, assign unique addresses to each module and use the module's built-in addressing features to enable selective communication between specific nodes. For battery-powered applications, utilize the sleep mode by pulling the AUX pin low to reduce power consumption between transmission cycles, allowing devices to operate for months on standard AA batteries.
Frequently Asked Questions
What is the actual communication range of the E32-433T30D module?
The maximum range of 8000 meters is achievable only in open line-of-sight conditions with optimal antenna placement and SF12 spreading factor. In urban environments with buildings and obstacles, expect 400-1000 meters depending on construction materials and RF interference. Range decreases significantly indoors due to wall attenuation; typical indoor range is 50-200 meters. To maximize range, use high spreading factors (SF11-SF12), ensure proper antenna orientation, minimize transmit power to reduce interference, and avoid RF-noisy environments near WiFi routers or microwave ovens.
Can I use this module with Arduino or Raspberry Pi?
Yes, the E32-433T30D integrates seamlessly with Arduino boards and Raspberry Pi via UART. For Arduino, connect TX to pin 0 (RX) and RX to pin 1 (TX), or use software serial on any two digital pins. For Raspberry Pi, connect to the GPIO UART pins (GPIO14 TX and GPIO15 RX). The module operates at 3.3V logic levels, which is compatible with Raspberry Pi but requires a level shifter for Arduino boards running at 5V. Libraries are available on GitHub for both platforms, simplifying integration and reducing development time.
What spreading factor should I use for my application?
Spreading factor selection depends on your range and data rate requirements. SF7 provides maximum data rate (5.5kbps) but minimum range, suitable for short-distance, high-bandwidth applications. SF12 offers maximum range and link budget but lowest data rate (0.3kbps), ideal for long-distance sensor monitoring where bandwidth is not critical. For most IoT applications, SF9-SF10 provides a balanced compromise between range (2-4km) and data rate (1.2-2.3kbps). Dynamically adjust spreading factors based on signal strength measurements to optimize network performance.
How much power does this module consume?
The E32-433T30D consumes approximately 80mA during transmission at full 30dBm power, 10mA in receive mode, and less than 1mA in sleep mode. For battery-powered applications, calculate battery life by multiplying capacity (mAh) by duty cycle percentage. For example, a 2000mAh battery with 1 percent duty cycle (transmitting 1 second every 100 seconds) provides approximately 200 hours of operation. Reducing transmission power to lower dBm levels decreases current draw proportionally, extending battery life further.
Is this module suitable for outdoor deployment?
Yes, the E32-433T30D is designed for outdoor applications and operates reliably in temperatures from -40 to +85 degrees Celsius. However, protect the module from direct water exposure by housing it in an IP65 or higher rated enclosure. The SMA antenna connector allows external antenna installation away from the main electronics, improving signal quality in wet conditions. For permanent outdoor installations, use stainless steel hardware and conformal coating on PCBs to prevent corrosion from humidity and salt spray.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse
Buy LoRa 433MHZ SX1278 SX1276 Wireless Transmitter and Receiver RF Module 8000M E32-433T30D UART Online in India
Purchase the LoRa 433MHZ SX1278 SX1276 Wireless Transmitter and Receiver RF Module 8000M E32-433T30D UART 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.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.