E01 series E01-2G4M27D 2.4Ghz wireless transceiver module based on nRF24L01P with SPI interface features small size and various application usage.E01 series modules are embedded with imported electronic parts, such as industrial crystals with high precision and TCXO. Using only the highest quality components, the E01 series 2.4Ghz wireless transceiver module ensures precision and reliability in various applications. With a small size and SPI interface, it's the perfect solution for your wireless communication needs.
| Technical Parameter | Specification Details |
|---|---|
| Product Model | E01-2G4M27D |
| Core Chipset (IC) | nRF24L01P (Integrated PA+LNA) |
| Operating Frequency | 2.4GHz ~ 2.525GHz |
| Max Output Power | 27dBm (Approx. 500mW) |
| Reference Distance | 5,000 Meters (5km) |
| Communication Interface | SPI |
| Supply Voltage | 2.5V - 5.5V DC |
| Dissipation Power | 500mW |
| Package Type | DIP (Through-hole) |
| Module Weight | 5.2±0.1g |
| Brand | EBYTE |
Manual Download
【Certification】E01-2G4M27D-MIC
【Certification】E01-CE
【Certification】E01-FCC
Key Specifications
| RF Parameter | Value |
Remark |
| Working frequency |
2400~2525 MHz |
Default: 2.4GHz (16MHz oscillator) |
| Transmitting power | 27 dBm |
Max. Power (500mW) |
| Receiving sensitivity |
-99 dBm |
Air data rate: 250kbps |
| Air data rate | 250k~2Mbps |
Default: 250kbps |
| Test distance | 5000m |
In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 250kbps |
| Hardware Parameter | Value |
Remark |
|
Size |
18 * 33.4 mm |
Without SMA |
|
Antenna type |
SMA-K |
|
|
Communication interface |
SPI |
|
|
Package |
DIP |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply |
2.5 | 3.3 | 5.5 | V | |
| Communication level | 2.0 | 3.3 | 3.6 | V | |
| Transmitting current |
480 | 490 | 500 | mA | 3.3V |
| Transmitting current |
380 | 390 | 400 | mA | 5.0V |
| Receiving current |
22 |
23 | 24 | mA |
3.3V |
| Receiving current |
21 |
22 | 23 | mA |
5.0V |
| Sleep current |
450 |
455 | 460 | μA | |
| Operating temperature |
-40 | 20 |
+85 | ℃ | |
| Operating humidity |
10 | 60 |
90 | % | |
| Storage temperature |
-40 | 20 |
+125 | ℃ |
| Model | Appearance | Operating Frequency Band (MHz) | Chip Solution | Transmit Power (dBm) | High ESD Protection | Communication Range (m) | Antenna Type | Product Dimensions (mm) | Package Type |
|---|---|---|---|---|---|---|---|---|---|
| E01-ML01S | SMD PCB On-board Antenna Module | 2400-2525 | nRF24L01P | 0 | Not supported | 100 | PCB | 12×19 | Surface Mount |
| E01-ML01SP2 | SMD PCB/IPEX Dual Antenna Module | 2400-2525 | nRF24L01P | 20 | Not supported | 1500 | PCB/IPEX | 12.8×25 | Surface Mount |
| E01-ML01SP4 | SMD IPEX Antenna Module | 2400-2525 | nRF24L01P | 20 | Support | 2000 | IPEX | 16.8×18 | Surface Mount |
| E01-ML01IPX | SMD IPEX Antenna Module | 2400-2525 | nRF24L01P | 0 | Not supported | 200 | IPEX | 12×19 | Surface Mount |
| E01-ML01DP4 | SMD PCB On-board Antenna Module | 2400-2525 | nRF24L01P | 20 | Support | 1800 | PCB | 12.8×25 | Surface Mount |
| E01-ML01DP5 | Through-hole SMA-K Antenna Module | 2400-2525 | nRF24L01P | 20 | Support | 2500 | SMA-K | 18×33.4 | Through-Hole |
| E01-2G4M13S | SMD PCB On-board Antenna Module | 2400-2525 | nRF24L01P | 13 | Not supported | 1200 | PCB | 23×14 | Surface Mount |
| E01-2G4M27D | Through-hole SMA-K Antenna Module | 2400-2525 | nRF24L01P | 27 | Not supported | 5000 | SMA-K | 18×33.4 | Through-Hole |
Application
-
Industrial Long-Range Telemetry: In large-scale manufacturing plants, the 27dBm output power overcomes heavy electromagnetic interference and physical obstacles, ensuring reliable data transmission from remote sensors to a central PLC.
-
Agricultural Smart Irrigation: Leveraging the 5km transmission capability, this module enables centralized control of water valves across vast farmland where cellular coverage is inconsistent and cabling is cost-prohibitive.
-
Smart Grid Monitoring: The DIP package and SPI interface allow for easy integration into power distribution terminals, facilitating real-time status updates in complex mesh network environments.
FAQ
Q: Why does the E01-2G4M27D support a wide voltage range of 2.5V to 5.5V while the standard nRF24L01 chip is limited to 3.6V?
A: This module integrates a high-efficiency LDO and power management circuit that regulates the input voltage specifically for the PA and LNA stages. However, users must ensure the SPI communication logic levels match the MCU, typically 3.3V, to avoid damaging the RFIC.
Q: What are the peak current requirements during the 27dBm transmission phase?
A: When transmitting at maximum power, the instantaneous current consumption can reach up to 500mA. It is critical to use a decoupling capacitor of at least 100uF near the VCC pin to maintain voltage stability and prevent RF performance degradation due to power ripples.
Q: How does the 5km range change when the air data rate is adjusted?
A: The sensitivity of the module is -99dBm at 250kbps. Increasing the air data rate to 2Mbps will significantly reduce the receiver sensitivity and decrease the effective communication distance. For maximum range, the 250kbps setting is recommended.
