Product Descriptions
EWM226-xxT22S is a LoRa wireless data transmission module for lawn mowers that integrates transmission and reception. It operates in the frequency range of 410-510MHz/863-870MHz/902-928MHz and supports multiple power gear selections, free switching of air data rates, rich selection of serial port baud rates, and easy operation.
Product Features
Ultra small volume, only 14 * 17.5mm;
Maximum transmission power of 22dBm;
Supports 3.3-5.5V power supply, with optimal performance guaranteed for power supplies above 3.3V;
Strong penetration ability, ensuring communication stability;
Support unlicensed frequency bands such as 433MHz/868MHz/915MH;
Dual antenna options (IPE/stamp hole) for easy built-in integration;
The air data rate supports 4800bps, 9600bps, and 19200bps;
Support multiple serial port baud rate options: 9600bps, 19200bps, 38400bps, 57600bps, 115200bps (default);
Support serial firmware upgrade;
Under ideal conditions, the communication distance can reach 5.0Km;
High speed transmission, suitable for high-speed transmission applications such as lawn mowers;
Built in watchdog to prevent system crashes;
Industrial standard design, supporting long-term use at -40~+85 ℃;
Product Applications
Lawn mower application;
Home security alarm and remote keyless entry;
Smart home and industrial sensors, etc;
Wireless alarm security system;
Building automation solutions;
Healthcare products;
Advanced Meter Reading Architecture (AMI), etc;
Specifications
| Attribute | Attribute value | |
| ANSM-Part# | ANSM-EWM226-400T22S | |
| 参考距离 Reference distance | 5.0Km | 晴朗空旷环境,高度 2.0 米,22dBm,空中数据速率 4800bps Clear and open environment, altitude 2.0 meters, 22dBm, air data rate 4800bps |
| 调制方式 Modulation Type | LoRa | - |
| 空中速率 Air speed | 4800~19200bps | 空中数据速率,软件多级可调 Air data rate, software multi-level adjustable |
| 传输速率 Transfer rate | 580 | @串口波特率Serial port baud rate 115200bps,空中速率air speed 9600bps |
| 500 Bytes/s | @串口波特率Serial port baud rate 9600bps,空中速率air speed 9600bps | |
| 通信接口 Communication interface | UART | - |
| 工作模式 Working mode | 半双工 Half-duplex | - |
| 封装方式 Packaging method | 贴片式 Surface mount type | - |
| 外形尺寸 External dimensions | 14*17.5mm | ±0.2mm |
| 天线接口 Antenna interface | IPEX 1代/邮票孔 IPEX Generation 1/Stamp Hole | 等效阻抗约 50Ω,出厂默认 IPEX 1 代天线座子 Equivalent impedance of approximately 50 Ω, factory default IPEX 1st generation antenna mount |
| 产品重量 Product weight | 1.2 | ±0.1g |
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