EByte E22-400T33S UART 433MHz LoRa Module w/ Relay Networking
EByte E22-400T33S UART 433MHz LoRa Module w/ Relay Networking - Image 2
SKU: IOWC-1737
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EByte E22-400T33S UART 433MHz LoRa Module w/ Relay Networking

₹2,319.00 (Inclusive of all taxes)
Out of Stock

The EByte E22-400T33S is a UART serial LoRa wireless module based on the SX1262 RF chip, operating in the 433MHz ISM band. It features automatic relay networking, ultra-low sleep current, and industrial-grade temperature tolerance for robust IoT sensor networks and long-range telemetry.

Features

  • Based on Semtech SX1262 LoRa chipset for superior range and power efficiency compared to older SX1278 solutions.
  • Supports automatic multi-level relay networking for extending communication distance in complex environments.
  • Ultra-low 2μA sleep current enables battery-powered IoT deployments with multi-year lifespans.
  • Industrial-grade operating temperature range from -40°C to +85°C ensures reliability in harsh conditions.
  • Integrated data encryption key and RSSI signal strength indicator for secure and optimized network planning.

Out of stock

Description

The EByte E22-400T33S is a next-generation LoRa serial transceiver module designed for developers requiring reliable, long-range wireless data links. Its core is the Semtech SX1262, which implements LoRa spread spectrum modulation to achieve communication distances up to 16km while offering significantly lower power consumption than previous generations. The module operates from 3.3V to 5.5V, making it compatible with both 3.3V MCUs and 5V Arduino systems via its TTL-level UART interface.

Advanced networking features like automatic relay, in-air wake-up, and carrier sense multiple access (CSMA) allow for the creation of self-healing, multi-hop mesh networks ideal for covering large areas or penetrating dense urban environments. Its configurable packet length, user-set communication keys for data privacy, and support for data rates from 2.4kbps to 62.5kbps provide flexibility for various application payloads and throughput requirements. The compact form factor and industrial temperature rating make it a versatile choice for embedding into field-deployed sensor nodes, industrial controllers, and automation gateways.

Key Features

  • Next-gen LoRa technology based on Semtech SX1262 RF IC for extended range and lower current draw.
  • Automatic relay networking function supports multi-hop communication to overcome line-of-sight obstacles.
  • Configurable user encryption keys ensure data transmission confidentiality and prevent eavesdropping.
  • Integrated RSSI (Received Signal Strength Indicator) output allows for real-time link quality assessment and distance estimation.
  • Ultra-low power architecture with a deep sleep mode consuming only 2μA, ideal for solar or battery-powered nodes.
  • Industrial-grade component selection and design validated for operation from -40°C to +85°C.
  • Simple UART (TTL) interface with AT command set for easy integration with microcontrollers like Arduino, ESP32, or STM32.
  • Operates in the global license-free 433MHz ISM band, with support for the 470MHz metering band.

Applications

  • Smart agriculture sensor networks for soil moisture, temperature, and humidity monitoring.
  • Industrial telemetry and IIoT for remote tank level, pressure, and equipment status reporting.
  • Building automation solutions for wireless control of lighting, HVAC, and security systems.
  • Home security systems and remote keyless entry with long-range, low-power operation.
  • Asset tracking and environmental monitoring in remote or difficult-to-wire locations.

Technical Specifications

RF Chipset / CoreSemtech SX1262
Wireless ProtocolLoRa (Spread Spectrum)
Frequency Range410.125 - 493.125 MHz (Default 433.125MHz)
RF Transmit PowerConfigurable up to +22dBm (Typical)
Communication InterfaceUART Serial Port (TTL Level)
Supply Voltage3.3V - 5.5V DC
Operating Current (Tx)~120mA (Peak, at +22dBm)
Sleep Current2 μA (Typical)
Antenna ConnectorIPEX (u.FL) or Pad for Wire Antenna
Operating Temperature-40°C to +85°C
Dimensions (LxWxH)Approx. 16.0mm x 16.0mm x 2.8mm (Module only)

Frequently Asked Questions

How do I configure the E22-400T33S module's baud rate and operating parameters?

The module is configured via AT commands sent over its UART interface. Connect the module's TX/RX pins to your microcontroller's UART, ensuring common GND. Power the module with 3.3V-5.5V. Use a serial terminal at the default baud rate (often 9600 or 115200) and send commands like 'AT+BAUD' to set baud rate, 'AT+NETWORKID' for network grouping, and 'AT+ADDR' to set the local address. Refer to the official EByte datasheet for the complete command set and syntax.

What is the maximum reliable communication distance for this LoRa module?

Under ideal line-of-sight conditions with a clear Fresnel zone and a proper antenna (e.g., 3dBi whip), the E22-400T33S can achieve up to 16km. Real-world range is typically 1-5km in urban/suburban areas due to buildings and obstructions. Maximize range by using high-gain external antennas, mounting modules as high as possible, setting the RF output power to +22dBm, and using the slowest, most robust spreading factor (SF12) and lowest bandwidth (125kHz) settings for maximum link budget.

Can I use this module to create a multi-hop mesh network for sensor data?

Yes, the E22-400T33S supports automatic relay networking. Configure one module as a master and others as relay nodes or endpoints. In relay mode, a module will automatically receive and retransmit packets destined for other nodes, extending the network range. Set the same NETWORKID for all modules in a mesh and configure unique ADDR for each. Ensure all modules are within range of at least one other node in the chain. This feature is ideal for covering large farms, industrial plants, or uneven terrain.

What antenna should I use with the E22-400T33S, and how is it connected?

Use a 433MHz antenna with a 50-ohm impedance. The module typically has an IPEX (u.FL) connector. For a permanent installation, solder an IPEX pigtail cable to the connector and attach your antenna (e.g., a 3dBi rubber duck or a 5dBi ground plane antenna). For prototyping, you can solder a wire (approx. 16.5cm for 1/4 wavelength) directly to the antenna pad. Always ensure the antenna is connected before powering the module to prevent damage to the RF output stage. Proper antenna placement significantly impacts performance.

Package Includes

  • 1 x EByte E22-400T33S LoRa Wireless Module

Additional Information

Weight 0.01 kg
Dimensions 8 × 6 × 1 cm

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