The Ebyte E01-2G4M27SX is a 2.4GHz SMD wireless module with ultra-small size and maximum transmit power of 500mW independently developed based on nRF24L01P produced by Nordic in Norway. The original imported nRF24L01P is used to ensure its compatibility.
Brand Name:EBYTE
Origin:Mainland China
Condition:New
Type:Drive IC
Model Number:E01-2G4M27SX
Supply Voltage:2.3 - 3.6 V
is_customized:Yes
Operating Temperature:-40 - +85 ℃
Application:Computer
Package:SMD
Type:Wireless Module
IC:nRF24L01P
Frequency:2.4~2.525GHz
Power:27dBm
Distance:4km
Size:18*14.5mm
Weight:1.0±0.1g
| Main Parameters | Value | Remarks | |
| Min. | Max | ||
| Power supply（V） | 2.3 | 3.6 | Voltage over 3.6 V will cause permanent damage to module |
| Operating temperature（℃） | -40 | +85 | Industrial grade |
| Main Parameters | Value | Remarks | ||
| Min. | Typical | Max | ||
| Operating voltage（V） | 2.3 | 3.3 | 3.6 | ≥3.3 V ensures output power |
| Communication level（V） | - | 3.3 | - | For 5V TTL, it may be at risk of burning down |
| Operating temperature（℃） | -40 | - | +85 | Industrial design |
| Operating frequency（MHz） | 2400 | - | 2525 | Support ISM band |
| TX Current(mA) | - | 720 | - | Instant power consumption |
| RX current（mA） | - | 23 | - | - |
| Sleep current（μA） | - | - | - | Does not support low power mode |
| Max Tx power（dBm） | 26 | 27 | 27 | - |
| Receiving sensitivity（dBm） | -113 | -114 | -115 | Air data rate is 250 kbps |
| Air data rate（bps） | 250 k | - | 2 M | Controlled via user’s programming |
| Main parameter | Description | Remarks |
| Distance for reference | 4 km | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 250kbps |
| FIFO | 32 Byte | Max length transmitted each time |
| Crystal frequency | 16 MHz | - |
| Modulation | GFSK | - |
| Package | SMD | - |
| Connector | 1.27 mm pin | - |
| Communication interface | SPI | 0～10 Mbps |
| Size | 18*14.5 mm | - |
| RF interface | IPEX | 50ohm impedance |
| Weight | 1.0±0.1g | - |
Practical Application Scenarios
1. Long-Range Industrial UAV Flight Control and Telemetry
Unmanned aerial vehicles (UAVs) require high-speed, low-latency telemetry transmission across extended distances. The E01-2G4M27SX combines Nordic nRF24L01P high-rate wireless communication with a 27dBm power amplifier stage, delivering a 4km line-of-sight range. When mounted on flight control boards via its ultra-lightweight 1.0g SMD footprint, it streams real-time flight parameters and control signals to ground stations without adding excess payload.
2. Heavy Industrial Wireless Remote Control Systems
In manufacturing facilities, operating heavy machinery such as overhead cranes and automated guided vehicles (AGVs) requires immune, low-latency wireless links. Paired with Ebyte industrial host controllers, the E01-2G4M27SX utilizes 2.4GHz frequency hopping and high-speed SPI throughput to execute control commands instantly, overcoming electromagnetic noise and physical obstructions within large factory floors.
3. Distributed Smart Agriculture Sensor Collection Nodes
Vast agricultural fields require long-distance sensor nodes to monitor soil moisture, humidity, and solar radiation. The E01-2G4M27SX acts as a high-power wireless transceiver within field-deployed sensor units, transmitting gathered telemetry data back to central Ebyte gateway controllers over distances up to 4km, ensuring full coverage across extensive outdoor farming layouts.
FAQ Section
1. What power supply precautions should be taken given the 27dBm output power?
Because the module incorporates a high-power PA amplifier that outputs up to 500mW (27dBm), peak current consumption during transmission increases significantly. Your power supply must provide a stable 2.3V to 3.6V DC source with a current capacity of at least 500mA. Adding low-ESR decoupling capacitors (e.g., 10uF ceramic and 100uF tantalum) near the VCC pin is strongly recommended to prevent power ripples and module resets.
2. Is the E01-2G4M27SX fully software-compatible with standard low-power nRF24L01P modules?
Yes, the core transceiver registers are 100% software-compatible because the module uses the genuine Nordic nRF24L01P IC. Existing SPI drivers and open-source libraries (such as RF24) can be used directly. However, developers should allow proper switching delays for the integrated PA/LNA circuit when toggling the CE pin between transmit and receive modes.
3. How should the SPI interface levels be matched when connecting to a 5V MCU?
The communication logic level of the nRF24L01P IC is 3.3V. While some pins are 5V tolerant on raw ICs, connecting the high-power E01-2G4M27SX directly to a 5V MCU (like ATmega328P) can cause signal instability or chip damage. It is recommended to use bidirectional logic level shifters or resistor voltage dividers on the SCK, MOSI, MISO, and CSN lines.
