| 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 | 2000m |
In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 250kbps |
| Hardware Parameter | Value |
Remark |
|
Size |
14.5*18mm |
Without SMA |
|
Antenna type |
IPEX |
|
|
Communication interface |
SPI |
|
|
Package |
SMD |
| 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 |
110 | 120 | 130 | mA | 20dBm（100mW） |
| Receiving current |
24 |
26 | 28 | 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. Wireless Gamepad and Human Interface Devices (HID)
With its high 2Mbps data rate and low latency, this module is an excellent choice for custom wireless gaming controllers or industrial remote control interfaces. The Nordic nRF24L01P base ensures reliable, responsive input transmission, essential for human-machine interaction where delays are unacceptable.
2. Wireless Sensor Networks (WSN) in Smart Buildings
The E01-ML01SP4 is frequently used to construct self-organizing sensor networks for environmental monitoring. Its small form factor allows for integration into compact sensor nodes that collect data such as temperature, humidity, and occupancy, transmitting that information back to a central gateway for facility management.
3. Industrial Short-Range Data Telemetry
In high-density industrial environments, the module’s integrated shielding cover provides critical protection against electromagnetic interference from heavy machinery. This allows engineers to implement stable short-to-medium-range data telemetry for machine status monitoring, ensuring that signal integrity is maintained even in noisy factory floor conditions.
FAQ Section
1. What are the benefits of the anti-interference shielding cover?
The onboard metal shielding cover serves a dual purpose: it significantly reduces the susceptibility of the module to external electromagnetic interference and minimizes radiation emissions, helping the product meet rigorous FCC/CE certification standards for electromagnetic compatibility in industrial environments.
2. Is this module compatible with standard nRF24L01 libraries?
Yes, because the core is the original Nordic nRF24L01P chipset, this module is fully compatible with standard software libraries available for the nRF24 series. This allows developers to port existing codebases or utilize popular Arduino and STM32 driver examples, greatly reducing the time-to-market for new hardware designs.
3. Does the SPI interface require a specific voltage level for logic?
The module operates on standard 3.3V logic levels. When interfacing with a 5V microcontroller, it is essential to use a level shifter to translate the SPI signals (MOSI, MISO, SCK, CSN). Direct connection to 5V logic may cause electrical stress or potential damage to the nRF24L01P input pins.
