The Ebyte E22P series (E22P-433T30S/868T30S/915T30S) is an industrial-grade LoRa transceiver module built on a high-performance Semtech RF IC, delivering up to 30dBm transmit power and 10km line-of-sight range over UART TTL, featuring Wake-on-Radio (WOR), Listen Before Talk (LBT), auto-relay networking, and hardware data encryption for harsh IoT telemetry.
Key Features & Advantages
- 10km Ultra-Long Range with 30dBm Output: Built on advanced Semtech LoRa spread-spectrum modulation and a high-efficiency power amplifier, delivering robust signal penetration through physical obstacles in harsh industrial environments.
- Low-Power Wake-on-Radio (WOR) & Fast Response: Supports wireless wake-up functionality that drastically reduces standby current consumption, making it ideal for battery-operated remote sensor nodes.
- Intelligent Auto-Relay & Anti-Collision Carrier Sensing (LBT): Features autonomous multi-hop relay networking without complex protocol stacks, along with Listen Before Talk (LBT) mechanism to prevent RF packet collision.
- Hardware Data Encryption & Flexible Sub-packet Configuration: Integrated hardware communication key prevents eavesdropping and data tampering, while customizable packet lengths simplify transmission of diverse PLC and Modbus serial data streams.
Core Specifications
| Parameter | Specification / Value |
|---|---|
| Core RF IC | Semtech High-Performance LoRa Chipset |
| Modulation Technology | New Generation LoRa Spread Spectrum |
| Operating Frequencies | 433MHz (433T30S) / 868MHz (868T30S) / 915MHz (915T30S) |
| Max Transmit Power | 30 dBm (approx. 1W) |
| Communication Distance | Up to 10 km (Line-of-Sight, Clear Outdoor Environment) |
| Communication Interface | UART (TTL Level) |
| Advanced Features | Wake-on-Radio (WOR), Wireless Config, LBT, Auto-Relay, Key Encryption |
| Dimensions (L * W * H) | 40.5 * 25 * 3.9 mm |
| Product Weight | 4.9 +/- 0.1 g |
Product Selection Guide
Notice for Selection: Please verify your target deployment region and local ISM frequency regulations (433MHz for Asia/Europe, 868MHz for EU/UK/India, 915MHz for North/South America/Australia) prior to placing an order.
| Model SKU | Frequency Band | Tx Power | Target Region | Interface | Range |
|---|---|---|---|---|---|
| E22P-433T30S | 433 MHz | 30 dBm (1W) | Asia / Europe (General ISM) | UART (TTL) | 10 km |
| E22P-868T30S | 868 MHz | 30 dBm (1W) | Europe (CE) / UK (UKCA) | UART (TTL) | 10 km |
| E22P-915T30S | 915 MHz | 30 dBm (1W) | Americas (FCC) / Australia | UART (TTL) | 10 km |
Industrial Installation & Wiring
The E22P series is engineered in a standard industrial SMD package (40.5 * 25 * 3.9 mm) suitable for automated SMT placement. It interfaces directly with host MCUs, PLCs, or embedded gateways via a standard 3.3V UART TTL serial interface (TXD, RXD, AUX, M0, M1, VCC, GND). RF output supports both IPEX antenna connector and stamp hole connection to optimize RF impedance matching.
Practical Application Scenarios
1. Smart Agriculture & Long-Range Irrigation Monitoring
In large-scale farmland and automated greenhouse deployments, environmental telemetry sensors (soil moisture, temperature, and valve controllers) require stable multi-kilometer wireless transmission without cellular subscription fees. The Ebyte E22P module interfaces directly with sensor nodes via UART TTL, using 30dBm transmit power and Wake-on-Radio (WOR) to achieve up to 10km data uplink to a central Ebyte industrial LoRa gateway while operating for years on battery power.
2. Industrial Oilfield & Pipeline Pressure Telemetry
Remote oil wells, gas distribution pipelines, and chemical storage tanks require real-time pressure, flow, and leak monitoring across harsh terrain where physical wiring is cost-prohibitive. Embedded into explosion-proof field transmitters, the E22P module utilizes its hardware data encryption key and Listen Before Talk (LBT) channel monitoring to transmit mission-critical telemetry back to the SCADA system without packet loss or cyber interference.
3. Smart Grid & Distribution Automation Remote Monitoring
Electrical substations and overhead transmission lines generate severe electromagnetic interference (EMI). With Semtech-powered LoRa spread-spectrum modulation and anti-jamming capabilities, the E22P series bridges remote fault indicators, switchgear monitors, and power meters directly to the utility dispatch center, providing high-reliability status reporting even in complex high-voltage environments.
4. Multi-Node Solar Photovoltaic (PV) Plant Relay Telemetry
Large utility-scale solar farms span vast mountain or desert areas where ground obstacles can block point-to-point line-of-sight. Utilizing the E22P module's built-in automatic relay networking feature, distributed solar string inverters can route telemetry hop-by-hop without requiring extra controller coordination, ensuring uninterrupted status acquisition across the entire PV array.
FAQ Section
1. How do I switch the E22P module between Configuration, Normal, WOR, and Sleep modes?
The E22P series operating modes are controlled dynamically by the logic levels on pins M0 and M1. By setting M0 and M1 combinations, the host MCU can toggle between Normal Transmission Mode (M0=0, M1=0), WOR Transmit/Receive Mode (for ultra-low-power cycling), Configuration Mode (for AT/hex parameter read/write), and Deep Sleep Mode (for minimum power drain).
2. Can the E22P module be paired directly with third-party microcontrollers (STM32, ESP32, Arduino)?
Yes. The E22P provides a standard UART interface with standard 3.3V TTL logic levels. It communicates transparently with any MCU UART port (TX/RX) without requiring complex RF drivers or SPI stack development, allowing engineers to send and receive serial data packets directly using standard baud rates.
3. What is the advantage of the Listen Before Talk (LBT) function in high-density deployments?
The Listen Before Talk (LBT) function monitors the current RF channel for carrier noise before transmitting. If another transmitter is currently occupying the channel, the module automatically waits for a clear slot, preventing packet collision and significantly improving data throughput in dense industrial sensor networks.
4. Does the E22P module support OTA (Over-The-Air) wireless configuration?
Yes. The E22P module supports wireless configuration commands. When set up in an authorized network, a central master node can wirelessly adjust target module parameters (such as channel, address, baud rate, and power levels) without physically accessing or disassembling the deployed field hardware.
