EByte E220-900T22D LoRa UART Module LLCC68 868/915MHz 22dBm w/ SMA-K Antenna
EByte E220-900T22D LoRa UART Module LLCC68 868/915MHz 22dBm w/ SMA-K Antenna - Image 2
SKU: IOWC-1714
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EByte E220-900T22D LoRa UART Module LLCC68 868/915MHz 22dBm w/ SMA-K Antenna

₹669.00 (Inclusive of all taxes)
Out of Stock

The EByte E220-900T22D is a LoRa wireless UART module based on the LLCC68 chip, operating in the 868/915MHz ISM bands with up to 22dBm output power. It provides a simple serial interface for integrating long-range, low-power LoRa communication into microcontroller projects like Arduino, Raspberry Pi, or industrial PLCs.

Features

  • LLCC68-based LoRa module offering up to 5km range with 22dBm transmit power for robust, long-distance wireless links.
  • Simple UART (TTL) interface compatible with 3.3V/5V logic, enabling plug-and-play integration with Arduino, ESP32, STM32, and Raspberry Pi.
  • Operates on flexible 868MHz/915MHz ISM bands (850.125-930.125MHz), suitable for global IoT deployments and sensor networks.
  • Features RSSI (Received Signal Strength Indicator) output for real-time link quality monitoring and network optimization.
  • Includes an SMA-K connector for an external antenna, significantly improving signal strength and communication reliability.

Out of stock

Description

The EByte E220-900T22D is a compact, high-performance LoRa serial module designed for developers and system integrators requiring reliable, long-range data telemetry. Built around Semtech’s LLCC68 transceiver, it utilizes LoRa spread spectrum modulation to achieve exceptional link budget and interference immunity, making it ideal for challenging RF environments. The module outputs TTL-level UART signals, abstracting the complex LoRa PHY layer into simple serial commands for rapid prototyping and deployment.

With a wide operating voltage from 2.3V to 5.5V and optimized low-power modes, the E220-900T22D is engineered for battery-operated and solar-powered IoT nodes in remote monitoring applications. Its integrated SMA-K antenna port allows for the attachment of high-gain external antennas to maximize coverage. The module’s small form factor (21x36mm) and DIP package facilitate direct integration into custom PCBs or use with breadboards for development.

Key Features

  • Implements LoRa (Long Range) spread spectrum technology for extended communication distance and strong anti-interference capabilities.
  • Wide-frequency operation from 850.125MHz to 930.125MHz, covering global 868MHz and 915MHz ISM bands for regional compliance.
  • High output power configurable up to 22dBm, paired with a receiver sensitivity as low as -148dBm for maximum link margin.
  • Integrated UART (TTL) serial interface with programmable baud rates (2.4k to 62.5k bps), simplifying microcontroller integration.
  • On-board RSSI functionality provides a digital indicator of received signal strength for network diagnostics and placement optimization.
  • Low power consumption design suitable for energy-constrained applications like battery-powered sensors and remote trackers.
  • Compact DIP form factor with through-hole pins for easy prototyping and secure mounting on carrier boards.
  • Pre-equipped with an SMA-K female connector for attaching external antennas to enhance range and signal quality.

Applications

  • Long-range sensor networks for agriculture (soil moisture, weather stations).
  • Industrial IoT (IIoT) telemetry for remote equipment monitoring and data logging.
  • Smart city applications like waste management, parking sensors, and streetlight control.
  • Asset and livestock tracking across large farms or industrial yards.
  • DIY home automation projects requiring wireless communication beyond typical Wi-Fi range.

Technical Specifications

Wireless ChipsetLLCC68
Wireless ProtocolLoRa (Long Range Spread Spectrum)
Frequency Range850.125 MHz ~ 930.125 MHz (Default 868/915MHz)
RF Transmit Power21.5 dBm ~ 22.5 dBm (Configurable)
Receiver Sensitivity-146 dBm ~ -148 dBm
Air Data Rate2.4 kbps ~ 62.5 kbps
Supply Voltage2.3 V ~ 5.5 V
Communication InterfaceUART (TTL, 3.3V/5V compatible)
Antenna ConnectorSMA-K (Female)
Operating Temperature-40 °C ~ +85 °C
Dimensions (LxW)36 mm x 21 mm
PackageDIP

Frequently Asked Questions

How do I communicate with the E220-900T22D module using a microcontroller?

Connect the module's TX, RX, VCC, and GND pins to your microcontroller's UART pins. Power it with 2.3V to 5.5V. Use serial AT commands (detailed in the datasheet) to configure parameters like frequency, power, and data rate. The module operates on TTL logic levels, making it compatible with 3.3V and 5V systems like Arduino, ESP32, or Raspberry Pi with a USB-TTL adapter. Ensure both devices share a common ground.

What antenna should I use with the SMA-K connector, and how does it affect range?

Use a 50-ohm impedance antenna tuned for 868MHz or 915MHz, such as a dipole or whip antenna. The SMA-K connector allows you to attach higher-gain antennas (e.g., 3dBi or 5dBi) to significantly improve range and signal clarity compared to a PCB antenna. Proper antenna selection and placement are critical for achieving the module's advertised 5km+ line-of-sight range. Always ensure the antenna connector is securely fastened to prevent signal loss.

Can I change the module's operating frequency and transmission power?

Yes, both frequency and transmit power are fully configurable via UART AT commands. The frequency can be set anywhere within the 850.125MHz to 930.125MHz range, allowing you to select specific channels for 868MHz or 915MHz operation. Transmit power is adjustable up to 22dBm. Lowering the power (e.g., to 14dBm) reduces current consumption for battery savings. All settings are stored in non-volatile memory. Refer to the official EByte datasheet for the exact command syntax and parameter values.

What is the purpose of the RSSI pin, and how can I use it?

The RSSI (Received Signal Strength Indicator) pin provides an analog voltage output proportional to the strength of the received RF signal. You can connect this pin to an ADC input on your microcontroller to monitor link quality in real-time. This data is useful for tasks like dynamic power adjustment, network diagnostics, or determining optimal node placement. A higher ADC reading corresponds to a stronger received signal. Calibration may be required to map the voltage to an absolute dBm value.

Package Includes

  • 1 x EByte E220-900T22D LoRa Wireless UART Module

Additional Information

Weight 0.0075 kg
Dimensions 3.6 × 2.1 cm

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