[Tipo de interfaz]：puerto serie UART
[Frecuencia de trabajo]：850.125~929.125MHz
[Potencia de transmisión]：22dBm
[Distancia de comunicación]：2,5 km
[amaño]：20*14mm
[peso]：1.2±0.1g
[Introducción]：E52-900NW22S es un módulo de red LoRa MESH de puerto serie inalámbrico basado en la tecnología de espectro extendido LoRa. La potencia de salida máxima es de +22 dBm, la velocidad máxima del aire puede alcanzar los 62,5 K y la velocidad en baudios máxima admitida es 460800 bps. La banda de frecuencia de trabajo predeterminada de este módulo LoRa es 868,125MHz. Adopta la nueva tecnología de red LoRa MESH y tiene las funciones de descentralización, autoenrutamiento, autorreparación de red y enrutamiento multinivel. Es adecuado para hogares inteligentes y sensores industriales, sistemas de seguridad de alarma inalámbrica y edificios. Soluciones de automatización, agricultura inteligente y otros escenarios de aplicación.
| Main parameters | Performance | Remarks | |||
| Minimum value | Typical value | Maximum value | |||
| Working voltage (V) | 1.8 | 3.3 | 3.6 | ≥3.3V can guarantee the output power. Exceeding 3.6V may burn the module. There is no LDO inside the module. , it is recommended to connect an external 3.3V LDO | |
| Communication level (V) | 3.3 | It is recommended to add level conversion when using 5.0V TTL. | |||
| Working temperature (℃) | -40 | - | +85℃ | Industrial grade design | |
| Working frequency band (MHz) | 850.125 | 868.125 | 929.125 | E52-900NW22S module working frequency band, supports ISM frequency band | |
| Power consumption | Emission current (mA) | - | 128 | - | Instantaneous power consumption |
| Working current (mA) | - | 14 | - | - | |
| Transmit power (dBm) | -9 | 22 | 22 | User configurable | |
| Over-the-air rate (bps) | 7K | 62.5K | 62.5K | Three air speed levels are available (62.5K, 21.875K, 7K) | |
| Receiving sensitivity (dBm) | -121 | -116 | -111 | Sensitivity corresponding to three air speeds | |
| Main parameters | Description | Remarks |
| reference distance | 2.5 Km | In a clear and open environment, the antenna gain is 3.5dBi, the antenna height is 2.5 meters, and the air rate is 7Kbps. |
| 2.0 Km | In a clear and open environment, the antenna gain is 3.5dBi, the antenna height is 2.5 meters, and the air rate is 21.875Kbps. | |
| 1.6 Km | In a clear and open environment, the antenna gain is 3.5dBi, the antenna height is 2.5 meters, and the air rate is 62.5Kbps. | |
| Subcontracting method | 200 Btye | The maximum capacity of a single package. It is prohibited to exceed the maximum capacity. |
| Modulation | LoRa | - |
| Communication Interface | UART serial port | 3.3V TTL level |
| Packaging method | SMD type | - |
| Dimensions | 20*14mm | ±0.1mm |
| Antenna interface | IPEX/stamp hole | Characteristic impedance is about 50Ω |
| weight | 1.2g | ±0.1g |
| Main parameters | Performance | Remarks | |
| Minimum value | Maximum value | ||
| voltage | 0V | 3.6V | ≥3.3V can guarantee the output power. Exceeding 3.6V may burn the module. There is no LDO inside the module. It is recommended to connect an external 3.3V LDO |
| Operating temperature | -40℃ | +85℃ | Industrial grade design |
| Working humidity | 10% | 90% | - |
| Storage temperature | -40℃ | +125℃ | - |