The Ebyte E22-400M30S is a high-performance 1W (30dBm) LoRa module powered by the SX1268 chip, achieving an incredible 12km long-range transmission in the 410-493MHz band with industrial-grade stability.
| Main Parameter | Specification |
|---|---|
| Model Number | E22-400M30S |
| Chip Solution (IC) | Semtech SX1268 (New Gen LoRa) |
| Frequency Range | 410 ~ 493 MHz (Default: 433MHz) |
| Transmit Power | 30 dBm (1 Watt) |
| Comm. Distance | 12 km (Ideal conditions) |
| Supply Voltage | 2.5 V - 5.5 V |
| Interface Type | SPI (High-speed hardware access) |
| Antenna Type | IPEX / Stamp Hole |
| Operating Temp. | -40 ~ +85 ℃ (Industrial grade) |
| Package & Size | SMD | 24 * 38.5 mm |
| Product Weight | 4.9g ± 0.1g |
| Origin | Mainland China (EBYTE Official) |
Download Manual
Mannual
demo
pcb
Application Note
Ebyte Company Profile
E22-400M30S-CE Certification
E22-400M30S-ROHS Certification
Key Parameters
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 410~493 MHz | - |
| Transmitting power | 30 dBm | Max. Power (1W) |
| Receiving sensitivity | -150 dBm | - |
| Air data rate | 0.018k~300kbps | - |
| Test distance | 12000m | In open and clear air, with maximum power, 5dBi antenna gain, height of 2m |
| Hardware Parameter | Value | Remark |
|---|---|---|
| Size | 24 * 38.5 mm | |
| Antenna type | IPEX / Stamp hole | |
| Communication interface | SPI | |
| Package | SMD | |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 2.5 | 5 | 5.5 | V | |
| Communication level | 1.8 | 3.3 | 3.7 | V | |
| Transmitting current | 600 | 650 | 700 | mA | 30dBm（1W） |
| Receiving current | 12 | 14 | 16 | mA | |
| Sleep current | 1 | 3 | 5 | nA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |
Application
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Smart Agriculture & Irrigation: The E22-400M30S provides an expansive 12km coverage, enabling remote soil moisture and irrigation control across large-scale plantations without the need for cellular infrastructure.
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Industrial Remote Monitoring: With its 30dBm output power, this module solves signal penetration issues in heavy industrial zones, transmitting through thick concrete walls and metallic structures for reliable factory automation data collection.
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Oil and Gas Pipeline Surveillance: Designed for the harshest environments, the module's -40 to +85 ℃ operating range and long-distance capability make it ideal for monitoring pipeline pressure and leaks in remote, unmanned geographical locations.
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Outdoor Environmental Sensors: Its high sensitivity and LoRa spread spectrum technology allow for long-range data backhaul from flood sensors or forest fire detection systems located deep in mountainous terrains.
Remote Mushroom Farm Environmental Monitoring
Development engineer Tecwyn Twmffat completed the Mushroom Monitoring System project based on the EBYTE E22-400M30S module (powered by a high-power 1W 433MHz LoRa chip), and completely open-sourced it on the tech platform Instructables.com. This practical project successfully verified 433 MHz LoRa wireless communication integrated with ESP32 microcontrollers, supported custom PCB integration with SCD41 (CO2/Temp/Humidity) and Plantower particulate sensors under a 5V DIN rail power supply in a polycarbonate enclosure, and achieved remote environmental data transmission and cloud database visualization for automated mushroom cultivation. View the original test process and technical documentation.
Note: The examples on this page are from the open-source technology community and only demonstrate the actual application effects of the products in development scenarios. Copyright belongs to the original authors and does not represent the original authors' commercial endorsement of our company or products. If there are any copyright issues, please contact us for removal. We offer a free product sponsorship program for developers to help them advance their projects.
FAQ
Q: What is the peak current consumption during transmission at 30dBm for the E22-400M30S?
A: When transmitting at the maximum power of 30dBm, the module typically consumes around 600mA to 650mA at a 5V supply. It is critical to ensure your power supply can handle transient current spikes of at least 800mA to avoid voltage dips that could reset the MCU or degrade RF signal quality.
Q: How does the SX1268 chip compare to the older SX1278 in terms of efficiency?
A: The SX1268 provides a higher receiving sensitivity down to -148dBm and significantly lower power consumption in receiving mode compared to the SX1278. Additionally, the SX1268 features a new generation LoRa modulation that supports higher spreading factors while maintaining better anti-interference capabilities in congested sub-GHz bands.
Q: Can I use a 3.3V logic level with the SPI interface of the E22-400M30S?
A: Yes, the module supports a supply voltage range of 2.5V to 5.5V, but the SPI communication pins are 3.3V logic level compatible. If you are using a 5V microcontroller, you must use a logic level shifter on the MISO, MOSI, SCK, and NSS lines to prevent damaging the SX1268 IC.
Q: What are the impedance matching requirements for the IPEX and stamp hole antenna interfaces?
A: Both the IPEX connector and the stamp hole antenna pin are designed for a 50-ohm characteristic impedance. To minimize insertion loss and VSWR, any PCB trace leading from the stamp hole to an external antenna connector should be designed as a coplanar waveguide or microstrip line with a strictly controlled 50-ohm impedance.
