EByte E01C-ML01DP5 2.4GHz 20dBm Wireless Serial Module w/ SMA-K
EByte E01C-ML01DP5 2.4GHz 20dBm Wireless Serial Module w/ SMA-K - Image 2
SKU: IOWC-1582
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EByte E01C-ML01DP5 2.4GHz 20dBm Wireless Serial Module w/ SMA-K

₹279.00 (Inclusive of all taxes)
Out of Stock

The EByte E01C-ML01DP5 is a 2.4GHz ISM band wireless serial port module featuring a high-power PA+LNA front-end for extended range. Operating at 3.3V, it provides a robust SPI interface for embedded systems requiring reliable, medium-range data links.

Features

  • High-Power 2.4GHz Transceiver: Delivers up to 20dBm (100mW) output power with an integrated PA+LNA for superior range and link reliability in the 2400-2525MHz ISM band.
  • Long-Range & High Sensitivity: Achieves a reference distance of up to 2500m and a receiving sensitivity of -96dBm, ensuring stable communication in challenging RF environments.
  • Direct Plug-in DIP Design: Simplifies PCB integration with a standard DIP footprint, allowing for quick prototyping and deployment without complex RF layout.
  • Low-Power SPI Interface: Controlled via a 3.3V SPI interface with a 32-byte FIFO, making it ideal for microcontroller-based projects using Arduino, STM32, or Raspberry Pi Pico.
  • Robust Industrial Specs: Operates from -40°C to +85°C, making it suitable for outdoor, industrial, and harsh environment IoT applications.

Out of stock

Description

The EByte E01C-ML01DP5 is a professional-grade 2.4GHz wireless serial module built around the SI24R1 RF transceiver chip. Its integrated Power Amplifier (PA) and Low-Noise Amplifier (LNA) significantly enhance both transmit power and receive sensitivity, translating to a robust communication link capable of spanning several kilometers in open terrain. The module communicates via a straightforward SPI interface, simplifying firmware development for microcontrollers.

Engineered for reliability, it operates on a 3.3V supply with clearly defined current consumption profiles: 125mA during transmission and 27.5mA during reception. Its GFSK modulation supports configurable air data rates from 250kbps to 2Mbps, allowing developers to balance between data throughput and range. The inclusion of an SMA-K antenna connector provides flexibility for attaching various high-gain external antennas to further optimize system performance for specific deployment scenarios.

Key Features

  • Enhanced RF Front-End: Integrated PA (Power Amplifier) and LNA (Low-Noise Amplifier) for maximum transmit power and superior receiver sensitivity.
  • Configurable Data Rates: Supports air data rates from 250kbps to 2Mbps via GFSK modulation, allowing optimization for speed or range.
  • SPI Host Interface: Simple 3.3V logic SPI communication with a 32-byte FIFO buffer for efficient data handling.
  • Wide Operating Voltage: Designed for stable operation at 3.3V, compatible with most modern microcontrollers.
  • Extended Temperature Range: Rated for industrial applications with an operating temperature range of -40°C to +85°C.
  • External Antenna Ready: Features an SMA-K (male) connector for attaching a wide variety of 50-ohm antennas to tailor gain and radiation pattern.

Applications

  • Industrial Telemetry & Remote Monitoring: Transmit sensor data (temperature, pressure, humidity) from remote equipment back to a central gateway.
  • Long-Range Wireless Control: Enable remote actuation and control of agricultural irrigation systems, gate controllers, or industrial machinery.
  • Asset Tracking & Fleet Management: Create low-power tracking nodes for vehicles, containers, or high-value assets across large areas.
  • Wireless Sensor Networks (WSN): Form reliable point-to-point or star topology networks for environmental sensing and data aggregation.
  • DIY Drone & RC Telemetry: Provide a robust, long-range data link for telemetry and control signals in UAV and model aircraft projects.

Technical Specifications

RF Transceiver ChipSI24R1
Wireless ProtocolProprietary 2.4GHz Serial
Frequency Range2400 - 2525 MHz
RF Transmit Power20 dBm (100 mW)
Receiving Sensitivity-96 dBm
Air Data Rate250 kbps - 2 Mbps
Reference Distance2500 m
Supply Voltage3.3 V
Transmitting Current125 mA
Receiving Current27.5 mA
Host InterfaceSPI
FIFO Size32 Bytes
Antenna ConnectorSMA-K (Male)
Modulation TypeGFSK
Operating Temperature-40°C to +85°C
Dimensions (Shipping)5 x 3 x 2 cm

Frequently Asked Questions

How do I interface this EByte module with an Arduino or STM32 microcontroller?

Connect the module's SPI pins (MOSI, MISO, SCK, CSN) to corresponding pins on your microcontroller, ensuring both share a common ground. Power the module with a stable 3.3V supply. You will need to implement or use a library that handles the SPI communication protocol specific to the SI24R1 chip, configuring parameters like channel frequency, data rate, and transmit power through register writes. The 3.3V logic level is compatible with most 3.3V MCUs.

What is the typical real-world range I can expect with this module?

The specified 2500m range is a theoretical maximum under ideal line-of-sight conditions with a high-gain antenna. In practical urban or suburban environments with obstacles, expect ranges of 300m to 1000m. Range is highly dependent on antenna selection (a 5dBi or 8dBi omni antenna is recommended), installation height, local RF interference in the 2.4GHz band, and data rate settings (lower rates like 250kbps provide better sensitivity and range). Conducting a site survey is advised for critical links.

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

You need a 50-ohm impedance antenna with an SMA female connector. For general omnidirectional coverage, a 3dBi to 5dBi rubber duck antenna is suitable. For maximum range in a specific direction, a 8dBi or higher panel or Yagi antenna can be used. The antenna's gain directly impacts the effective isotropic radiated power (EIRP) and system sensitivity. Ensure the antenna is tuned for the 2.4GHz band (2400-2525MHz). Proper antenna placement away from metal enclosures and other electronics is crucial for optimal RF performance.

What are the power supply requirements and how can I minimize current consumption?

The module requires a stable, clean 3.3V DC supply capable of delivering at least 150mA to handle peak transmit current (125mA). Use a low-noise LDO regulator close to the module. To minimize average current, implement duty cycling in your firmware: put the module into a deep sleep or shutdown mode (if supported by your driver) between transmissions. Since the receive current is 27.5mA, also minimize the time the receiver is active. A large capacitor (e.g., 100µF) near the module's VCC pin is recommended to handle transient current demands during transmission.

Package Includes

  • 1 x EByte E01C-ML01DP5 2.4GHz 20dBm Wireless Serial Port Module

Additional Information

Weight 0.007 kg
Dimensions 3 × 5 × 2 cm

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