EByte E32-900T20D 868MHz LoRa Module 20dBm UART
EByte E32-900T20D 868MHz LoRa Module 20dBm UART - Image 2
EByte E32-900T20D 868MHz LoRa Module 20dBm UART - Image 3
SKU: IOWC-1687
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EByte E32-900T20D 868MHz LoRa Module 20dBm UART

₹789.00 (Inclusive of all taxes)
Out of Stock

The EByte E32-900T20D is a 868MHz LoRa transceiver module based on a Semtech IC, featuring a UART interface and configurable 20dBm transmit power for long-range, low-power wireless communication in IoT networks.

Features

  • Long-range 868MHz LoRa transceiver module with Semtech IC for robust spread spectrum communication.
  • Configurable 20dBm (100mW) RF output power for extended transmission distance up to several kilometers.
  • Ultra-low power operation with deep sleep mode consuming only 2µA, ideal for battery-powered sensor nodes.
  • Simple UART (TTL 3.3V) serial interface for easy integration with microcontrollers like Arduino, ESP32, or STM32.
  • Compact 16mm x 26mm SMD footprint with IPEX/stamp hole antenna options for flexible PCB integration.

Out of stock

Description

The EByte E32-900T20D is a professional-grade LoRa module designed for developers requiring reliable, long-distance wireless links in the 862-931MHz ISM band. It utilizes Semtech’s LoRa spread spectrum modulation, offering exceptional interference immunity and link budget with a receiver sensitivity as low as -123dBm. The module is configured entirely via AT commands over its 3.3V UART, allowing dynamic control of transmission power, data rate, and wake-up intervals.

Engineered for industrial IoT and remote telemetry, its four operational modes—Transparent Transmission, Wake-up, Power Saving, and Deep Sleep—enable sophisticated power management schemes. With an operating temperature range of -40°C to +85°C and a 5V supply input, it is built for harsh environmental deployments in smart agriculture, asset tracking, and automated meter reading networks.

Key Features

  • Semtech LoRa chipset with configurable spread spectrum factors and bandwidth for range vs. data rate optimization.
  • Four software-selectable operating modes (Transmission, Wake-up, Power Saving, Deep Sleep) for advanced power cycling.
  • High receiver sensitivity (-123dBm) ensures reliable data reception in noisy RF environments and non-line-of-sight conditions.
  • 3.3V UART (TTL) serial interface with configurable baud rates (1200-115200) for seamless MCU communication.
  • Wide operating voltage range (3.3V - 5.5V) with integrated LDO, simplifying power supply design.
  • Compact SMD (16x26mm) form factor with 1.27mm pitch stamp holes for direct PCB soldering or socket mounting.
  • Integrated IPEX connector footprint for external antenna attachment, improving gain and radiation pattern.
  • Supports point-to-point and point-to-multipoint network topologies with address and channel filtering.

Applications

  • Long-range sensor telemetry for smart agriculture (soil moisture, weather stations).
  • Industrial IoT (IIoT) monitoring of remote equipment, tanks, and pipelines.
  • Asset and vehicle tracking systems with GPS integration for fleet management.
  • Automated Meter Reading (AMR) for utilities (water, gas, electricity).
  • Wireless alarm and security systems in rural or large-scale properties.
  • Building automation and environmental monitoring networks.

Technical Specifications

Model / NameE32-900T20D
Wireless ProtocolLoRa (Semtech IC)
Frequency Range862 - 931 MHz
Max Transmit Power20 dBm (100mW)
Receiver Sensitivity-123 dBm
Supply Voltage5 V (3.3V - 5.5V range)
Transmit Current120 mA (typical at 20dBm)
Receive Current16 mA
Deep Sleep Current2 µA
InterfaceUART (TTL, 3.3V)
Antenna ConnectorIPEX / Stamp Hole
Operating Temperature-40°C to +85°C
Dimensions16 mm x 26 mm
ModulationLoRa Spread Spectrum

Frequently Asked Questions

How do I configure the E32-900T20D module's operating parameters?

Configuration is performed via AT commands sent over the 3.3V TTL UART interface. Connect the module's TX, RX, M0, and M1 pins to your microcontroller's GPIO. Use a serial terminal (e.g., 9600 baud default) to send commands for setting address, channel, transmission power, and air data rate. The M0 and M1 pins select the operational mode (normal, wake-up, power save, or sleep) as per the datasheet truth table.

What is the typical wiring and power supply setup for this LoRa module?

Supply 5V to the VCC pin and GND to ground. Connect the module's TXD pin to your MCU's RXD and RXD to TXD for serial communication. The M0 and M1 pins require GPIO connections for mode control. Ensure a stable 5V supply capable of delivering up to 120mA during transmission peaks. A 3.3V MCU interface is safe as the module's UART logic levels are 3.3V. An external antenna connected via IPEX is recommended for optimal range.

How can I achieve the lowest power consumption for battery-operated projects?

Utilize the deep sleep mode (M0=1, M1=1) where current drops to 2µA. For periodic transmission, employ wake-up mode; the module sleeps and automatically adds a wake-up preamble, allowing the receiver to stay in low-power listening. Optimize the transmission interval and use the lowest sufficient power setting (configurable from 5-20dBm) to minimize transmit current. Ensure your MCU also enters sleep between communication cycles to maximize battery life.

What antenna should I use with the E32-900T20D, and how do I connect it?

Use a 868MHz antenna with an IPEX (U.FL) connector or solder a wire antenna directly to the PCB's stamp hole pad. For the IPEX option, attach a compatible 868MHz antenna (e.g., 3dBi whip). Ensure a 50-ohm impedance match. For a wire antenna, a quarter-wave (approx. 8.2cm) wire soldered to the ANT pad can suffice. Proper antenna placement away from metal enclosures and ground planes is critical for achieving the advertised range and sensitivity.

Package Includes

  • 1 x EByte E32-900T20D LoRa Module

Additional Information

Weight 0.005 kg
Dimensions 1.6 × 2.6 cm

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