[Solution de puce]:SX1262
[Fréquence]:170,125 MHz
[Puissance d’émission]: 22 dBm
[Portée de communication]:5 km
[Dimensions]:14 x 20 mm
[Poids]:1,5 ± 0,2 g
[Introduction]:E22-170M22S est un LoRa à montage en surface ultra-compact et développé indépendamment, 170,125 MHz. Module sans fil basé sur la puce RF LoRa™ nouvelle génération de Semtech, le SX1262. Utilisant le SX1262 importé comme cœur, le module offre des performances anti-interférences et une portée de communication améliorées par rapport aux émetteurs-récepteurs LoRa™ de la génération précédente. Utilisant la dernière technologie de modulation LoRa™, ses performances anti-interférences et sa portée de communication dépassent largement celles des méthodes de modulation FSK et GFSK existantes. Le module LoRa est principalement destiné aux maisons intelligentes, à la lecture de compteurs sans fil, à la recherche scientifique et aux traitements médicaux, ainsi qu'aux équipements de communication sans fil à moyenne et longue distance.
| Pin number | Pin Name | Pin direction | Pin Purpose |
| 1 | GND | - | Ground wire, connected to the power reference ground |
| 2 | GND | - | Ground wire, connected to the power reference ground |
| 3 | GND | - | Ground wire, connected to the power reference ground |
| 4 | GND | - | Ground wire, connected to the power reference ground |
| 5 | GND | - | Ground wire, connected to the power reference ground |
| 6 | RXEN | input | RF switch receiving control pin, connected to external MCU IO, high level is valid |
| 7 | TXEN | input | RF switch transmit control pin, connected to external MCU IO or DIO2, high level is valid |
| 8 | DIO2 | Input/Output | Configurable general IO port (see SX1262 manual for details) ① |
| 9 | VCC | - | Power supply, range 1.8V~3.7V (it is recommended to add external ceramic filter capacitors) |
| 10 | GND | - | Ground wire, connected to the power reference ground |
| 11 | GND | - | Ground wire, connected to the power reference ground |
| 12 | GND | - | Ground wire, connected to the power reference ground |
| 13 | DIO1 | Input/Output | Configurable general IO port (see SX1262 manual for details) |
| 14 | BUSY | Output | Used for status indication (see SX1262 manual for details) |
| 15 | NRST | input | Chip reset trigger input pin, low level is valid |
| 16 | MISO | Output | SPI data output pin |
| 17 | MONEY | input | SPI data input pin |
| 18 | SCK | input | SPI clock input pin |
| 19 | NSS | input | Module chip select pin, used to start an SPI communication |
| 20 | GND | - | Ground wire, connected to the power reference ground |
| 21 | ON | - | Antenna interface, stamp hole (50 ohm characteristic impedance) |
| 22 | GND | - | Ground wire, connected to the power reference ground |
Note ①: If the DIO and TXEN pins are short-circuited, the DIO2 switch control function needs to be enabled in the software.