SKU: IOWC-1748
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EByte E32-433T30S 433MHz LoRa SX1278 Transceiver Module

₹1,279.00 (Inclusive of all taxes)
Out of Stock

The EByte E32-433T30S is a 433MHz LoRa RF transceiver module based on the Semtech SX1278 chip, offering up to 8km range and 30dBm output power. It interfaces via UART for straightforward integration with microcontrollers like Arduino, ESP32, or STM32 for long-range, low-power IoT sensor networks.

Features

  • Long-Range LoRa Transceiver: Features the Semtech SX1278 chipset for robust communication up to 8km (5 miles) in open areas, ideal for remote telemetry.
  • High-Power 433MHz Operation: Delivers 30dBm (1W) RF output power on the 433MHz ISM band for excellent signal penetration and range.
  • Simple UART Interface: Communicates via serial UART (TTL) with configurable baud rates, enabling easy connection to most microcontrollers without complex RF design.
  • Low-Power Consumption: Leverages LoRa modulation for energy-efficient operation, supporting extended battery life in periodic transmission applications.
  • SMD Form Factor: Compact, surface-mount module design facilitates integration into custom PCBs for volume production and embedded systems.

Out of stock

Description

The EByte E32-433T30S is a professional-grade LoRa transceiver module engineered for demanding long-range wireless links. At its core is the industry-standard Semtech SX1278 spread-spectrum modem, which provides exceptional receiver sensitivity and interference immunity, far surpassing traditional FSK/OOK modules. Operating in the 433MHz license-free ISM band, this module is optimized for regional use where its longer wavelength offers superior non-line-of-sight propagation compared to higher frequencies.

Architected for system integrators, the module handles all complex RF timing, packetization, and forward error correction internally. Developers interact through a simple serial command set over its UART interface, allowing rapid deployment of bi-directional communication links. The integrated +30dBm power amplifier ensures maximum effective radiated power, while configurable transmission modes enable a balance between range, data rate, and power consumption for applications like remote sensor aggregation, industrial telemetry, and automated meter reading networks.

Key Features

  • Semtech SX1278 LoRa modem chip for long-range, low-power communication.
  • High output power of 30dBm (1 Watt) for maximum transmission distance.
  • Operates on the global 433MHz ISM frequency band.
  • Simple UART (TTL) interface with configurable parameters via AT commands.
  • Supports multiple operating modes (Normal, Wake-Up, Power Save, Sleep) for power management.
  • Integrated SPI interface for direct host MCU control (SX1278).
  • Excellent receiver sensitivity (down to -148 dBm) for long-range links.
  • SMD (Surface-Mount Device) package for streamlined PCB assembly.

Applications

  • Remote wireless sensor networks for agriculture (soil moisture, weather stations).
  • Industrial telemetry and SCADA systems for monitoring remote equipment.
  • Long-range remote control and automation for gates, lights, or irrigation.
  • Asset tracking and logistics management over wide areas.
  • Smart city infrastructure monitoring (parking, waste management, environmental sensing).

Technical Specifications

RF IC / ModemSemtech SX1278 (LoRa)
Operating Frequency433 MHz
ModulationLoRa / (FSK, GFSK, OOK)
RF Output Power30 dBm (Max, configurable)
Communication DistanceUp to 8000m (line-of-sight)
InterfaceUART (TTL)
Supply Voltage1.8V - 3.7V (for SX1278 core, typical)
RF ConnectorSMD (Pad for antenna matching network)
Dimensions (approx.)7 x 6 x 3 cm

Frequently Asked Questions

How do I configure the E32-433T30S module's parameters like baud rate and channel?

Configure the module via its UART interface using specific AT commands. After connecting the TTL UART pins (TX, RX, VCC, GND) to your microcontroller, send command strings like 'AT+PARAMETER' to set frequency, power, and air data rate. The default baud rate is often 9600, but it can be changed via configuration commands. Always ensure the host MCU's serial settings match the module's configured baud rate for reliable communication. Refer to the official EByte datasheet for the complete command set and syntax.

What antenna should I use with this 433MHz SMD LoRa module, and how do I connect it?

Use a 433MHz antenna with a 50-ohm impedance, such as a quarter-wave whip or dipole. Since this is an SMD module, you must design and solder a matching network (typically an LC pi-network) onto your PCB, connecting to the module's RF output pads. The antenna connector is not pre-installed. Proper impedance matching is critical for maximizing range and efficiency. For testing, consider an EByte evaluation board that provides an SMA connector. Ensure your antenna is tuned to the 433MHz center frequency for optimal performance.

What is the typical power supply requirement and current consumption during transmission?

The SX1278 core typically operates from 1.8V to 3.7V. However, to achieve the full 30dBm (1W) output power, a higher voltage supply (often 5V) is required for the external power amplifier stage. You must check the specific schematic for the E32-433T30S. Current draw can exceed 500mA during high-power transmission bursts. For battery operation, use the module's configurable power settings to reduce output power and employ deep sleep modes between transmissions to conserve energy significantly.

Package Includes

  • 1 x EByte E32-433T30S LoRa Transceiver Module

Additional Information

Weight 0.1 kg
Dimensions 6 × 7 × 3 cm