[Frecuencia de carga]：410.125~493.125MHz
[transmitir potencia]：33dBm
[distancia de comunicación]：16km
[peso]：7.2±0.1g
[Introducción]：E22-400T33E es un módulo de espectro ensanchado inalámbrico LoRa de nueva generación basado en la solución LoRa de SEMTECH. Tiene una variedad de métodos de transmisión, funciona en la banda de frecuencia de 410.125-493.125MHz (predeterminado 433.125MHz), tecnología de espectro ensanchado LoRa, compatible con voltaje de puerto IO de 3.3V y 5V, adopta un empaque estándar MINI PCI-e y tiene UART/ Comunicación RS485/RS232/USB La interfaz es opcional y la comunicación es compatible con los productos de la serie E22-T, lo cual es conveniente para que los usuarios desarrollen y utilicen. El módulo tiene una distancia de transmisión más larga y una velocidad más rápida; admite activación inalámbrica, configuración inalámbrica, escucha de operador, retransmisión automática, clave de comunicación y otras funciones, admite configuración de longitud de paquete y puede proporcionar servicios de desarrollo personalizados.
| Pin No. | Item | Direction | Description |
| 1 | TO | output | Used to indicate the working status of the module; the user wakes up the external MCU , and outputs a low level during the initialization of the power-on self-test; (can be suspended) |
| 2 | VCC | Input | Power input 5.0V |
| 3 | M0 | Input ( very weak pull-up ) | Cooperate with M1 to determine the 4 working modes of the module (not floating, if not used, it can be grounded) |
| 4 | GND | - | power reference ground |
| 5 | Ml | Input ( very weak pull-up ) | Cooperate with M0 to determine the 4 working modes of the module (not floating, if not used, it can be grounded) |
| 6 | NC | - | - |
| 7 | NC | - | - |
| 8 | NC | - | - |
| 9 | GND | - | power reference ground |
| 10 | SMD_DI0 | input /output | Program download data interface ( the module needs to be reset or erased before SWD programming ) |
| 11 | RXD | input | TTL serial port input, connect external TXD output pin |
| 12 | swD_CLK | input /output | Program download clock interface ( the module needs to be reset or erased before SWD programming ) |
| 13 | TXD | output | TTL serial port output, connect external RXD input pin |
| 14 | NC | - | - |
| 15 | GND | - | power reference ground |
| 16 | NC | - | - |
| 17 | NC | - | - |
| 18 | GND | - | power reference ground |
| 19 | NC | - | |
| 20 | NC | - | power reference ground |
| 21 | GND | - | power reference ground |
| 22 | RESET | input | The input low level module enters the hardware reset state, and the input high level module recovers the normal working state. This function is used for the reset operation in emergency |
| 23 | NC | - | - |
| 24 | VCC | input | Power input 5.0V |
| 25 | NC | - | - |
| 26 | GND | - | power reference ground |
| 27 | GND | - | power reference ground |
| 28 | NC | - | - |
| 29 | GND | - | power reference ground |
| 30 | NC | - | - |
| 31 | NC | - | - |
| 32 | NC | - | - |
| 33 | NC | - | - |
| 34 | GND | - | power reference ground |
| 35 | GND | - | power reference ground |
| 36 | USB_D- | input /output | D- of other external USB devices |
| 37 | GND | - | power reference ground |
| 38 | USB_D+ | input /output | D+ connected to other USB devices |
| 39 | VCC | input | Power input 5.0V |
| 40 | GND | - | power reference ground |
| 41 | VCC | input | Power input 5.0V |
| 42 | NC | - | - |
| 43 | GND | - | power reference ground |
| 44 | NC | - | - |
| 45 | RS232_RXD | input | External TXD of other RS232 devices |
| 46 | NC | - | - |
| 47 | RS232_TXD | output | RXD connected to other RS232 devices |
| 48 | NC | - | - |
| 49 | RS485_A | input /output | A terminal connected to other RS485 devices |
| 50 | GND | - | power reference ground |
| 51 | RS485_B | input /output | Connect to the B terminal of other RS485 devices |
| 52 | VCC | input | Power input 5.0V |