E52-400NW22S Module sans fil LoRa MESH, réseau ad hoc, réseau d'auto-routage de qualité industrielle, auto-guérison
[Type d'interface]：port série UART
[Fréquence de fonctionnement]： 410,125 ~ 509,125 MHz
[Puissance de transmission]：22 dBm
[Distance de communication]：2,5 km
[Poids du produit]：1.2±0.1g
[Taille]： 20*14mm
[Introduction]：E52-400NW22S est un module réseau LoRa MESH à port série sans fil basé sur la technologie à spectre étalé LoRa. La puissance de sortie maximale est de +22 dBm, le débit d'air maximum peut atteindre 62,5 K et le débit en bauds maximum pris en charge est de 460 800 bps. La bande de fréquence de travail par défaut de ce module LoRa est de 433,125 MHz. Il adopte la nouvelle technologie de réseau LoRa MESH et possède les fonctions de décentralisation, d'auto-routage, d'auto-réparation du réseau et de routage multi-niveaux. Il convient aux maisons intelligentes et capteurs industriels, systèmes de sécurité d'alarme sans fil et bâtiments. Solutions d'automatisation, agriculture intelligente et autres scénarios d'application.
| 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℃ | - |
| 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) | 410.125 | 433.125 | 509.125 | E52-400NW22S 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 |