[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.
| Pin number | Pin name | Pin direction | Pin usage |
| 1 | PB3 | input Output | Some function indication pins, high level by default, active low level (connected to test suite LED2) |
| 2 | PB4 | input Output | RF transmission indication pin, default high level, active low level (connected to test suite LED1) |
| 3 | PB5 | input Output | Not used yet, NC recommended |
| 4 | PB6 | input Output | Not used yet, NC recommended |
| 5 | PB7 | input Output | Not used yet, NC recommended |
| 6 | PB8 | input Output | Not used yet, NC recommended |
| 7 | PA0 | input Output | Default is high level, pull it low when power on to enter the Bootloader (connected to the test suite KEY button) |
| 8 | PA1 | input Output | Not used yet, NC recommended |
| 9 | PA2 | input Output | UART_TXD, serial port transmit pin |
| 10 | PA3 | input Output | UART_RXD, serial port receiving pin |
| 11 | PA4 | input Output | Not used yet, NC recommended |
| 12 | PA5 | input Output | Not used yet, NC recommended |
| 13 | GND | input Output | Ground wire, connected to the power reference ground |
| 14 | ANT | input Output | Antenna interface, 50Ω characteristic impedance (connected to SMA interface of test kit) |
| 15 | GND | input Output | Ground wire, connected to the power reference ground |
| 16 | PA8 | input Output | Not used yet, NC recommended |
| 17 | NRST | input | Reset pin, default high level, active low level (connected to test suite RST button) |
| 18 | PA9 | input Output | Not used yet, NC recommended |
| 19 | PA12 | input Output | Not used yet, NC recommended |
| 20 | PA11 | input Output | Not used yet, NC recommended |
| 21 | PA10 | input Output | Not used yet, NC recommended |
| 22 | PB12 | input Output | Not used yet, NC recommended |
| 23 | PB2 | input Output | Not used yet, NC recommended |
| 24 | PB0 | input Output | Not used yet, NC recommended |
| 25 | PA15 | input Output | Not used yet, NC recommended |
| 26 | PC13 | input Output | Not used yet, NC recommended |
| 27 | GND | input Output | Ground wire, connected to the power reference ground |
| 28 | VDD | input | Power supply VDD, maximum input voltage 3.6V, recommended to be powered by 3.3V LDO |
| 29 | SWDIO | - | debug pin |
| 30 | SWCLK | - | debug pin |