The Ebyte E01-ML01DP4 is a 2.4GHz DIP wireless transceiver module based on the Nordic nRF24L01P chip with an integrated power amplifier, delivering 20dBm (100mW) transmit power, improved receive sensitivity, SPI interface, and up to 1.8km communication range.
| Technical Parameter | E01-ML01DP4 Specification | Remarks / Details |
|---|---|---|
| RF Transceiver Chipset | Nordic nRF24L01P | Original imported core IC |
| Operating Frequency Range | 2.4 GHz to 2.525 GHz | Global license-free ISM band |
| Transmitting Power | 20 dBm (100 mW) | Integrated high-power RF PA front-end |
| Communication Distance | 1.8 km | Tested under open line-of-sight conditions |
| Supply Voltage | 2.0V to 3.6V DC | 3.3V logic level compatible |
| Communication Interface | 4-wire SPI Interface | Direct register-level micro-controller access |
| Package & Dimensions | DIP, 15 x 27 mm | Weight: 1.5g plus or minus 0.1g |
| Operating Temperature | -40 to +85 degrees Celsius | Industrial grade durability |
| RF Parameter | Value |
Remark |
| Working frequency |
2400~2525 MHz |
Default: 2.4GHz (16MHz oscillator) |
| Transmitting power | 20 dBm |
Max. Power (100mW) |
| Receiving sensitivity |
-96 dBm |
Air data rate: 250kbps |
| Air data rate | 250k~2Mbps |
Default: 250kbps |
| Test distance | 1800m |
In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 250kbps |
| Hardware Parameter | Value |
Remark |
|
Size |
15 * 27 mm |
Without SMA |
|
Antenna type |
PCB |
|
|
Communication interface |
SPI |
|
|
Package |
DIP |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply |
2.0 | 3.3 | 3.6 | V | |
| Communication level | 2.0 | 3.3 | 3.6 | V | |
| Transmitting current |
100 | 110 | 120 | mA | 20dBm（100mW） |
| Receiving current |
18 |
20 | 22 | mA |
|
| Sleep current |
0.5 |
1.0 | 2.0 | μA | |
| Operating temperature |
-40 | 20 |
+85 | ℃ | |
| Operating humidity |
10 | 60 |
90 | % | |
| Storage temperature |
-40 | 20 |
+125 | ℃ |
Practical Application Scenarios
1. Long-Range Industrial Teleoperation and RC Drone Control Links
In customized industrial drone control and remote machinery teleoperation, systems require high-speed packet throughput combined with extended operational range. Integrating the E01-ML01DP4 module enables 2 Mbps high-data-rate wireless streaming over a 1.8km line-of-sight link. Powered by its 20dBm RF front-end, it provides low-latency control frame transmission for uncrewed surface vehicles or aerial inspection platforms.
2. High-Density Smart Agriculture Sensor Nodes
Precision agriculture projects require frequent data acquisition from soil sensors and weather telemetry across expansive farmland. Mounted onto field MCU carrier boards via DIP pins, the E01-ML01DP4 uses its boosted receiver sensitivity (+10dB enhancement) to collect continuous microclimate metrics, penetrating dense crop foliage and relaying data reliably to regional aggregator gateways over 2.4GHz ISM channels.
3. Factory Automation and High-Speed Wireless Sensor Mesh Networks
Automated manufacturing floors require real-time status reporting from rotating machinery and moving conveyor systems where wired cabling is impossible. Embedded via its high-speed 4-wire SPI bus, the module functions as a robust 2.4GHz wireless node that transmits sensor data packets instantaneously back to central industrial control units while maintaining high noise immunity in electromagnetically noisy environments.
FAQ Section
1. How does the added RF power amplifier affect communication range compared to standard nRF24L01P modules?
Standard nRF24L01P modules operate at a maximum transmit power of 0dBm (1mW), typically providing a range of around 100 meters. The E01-ML01DP4 integrates a power amplifier that boosts transmit power to 20dBm (100mW) and enhances receiving sensitivity by 10dB, extending line-of-sight communication distance up to 1.8km.
2. Is the E01-ML01DP4 software-compatible with existing nRF24L01P firmware libraries?
Yes, because the core RF transceiver is the genuine Nordic nRF24L01P chip, the module maintains full register-level and pinout compatibility with standard nRF24L01P firmware libraries (such as RF24 for Arduino, STM32 HAL drivers, or Raspberry Pi SPI drivers), requiring no changes to protocol logic.
3. What power supply precautions should hardware engineers take when using this 20dBm module?
Because the module delivers 20dBm output power, current consumption peaks during transmission bursts. Design engineers must ensure the 2.0V to 3.6V power rail provides stable current with low ripple. Placing a low-ESR decoupling capacitor (e.g., 10uF to 100uF) directly across the module VCC and GND pins prevents brownout resets during high-power packet transmission.
