[Poids du produit]:0.5g±0.02g
[IC]:LLCC68
[La fréquence]:410.125~493.125MHz
[La puissance]:22dBm
[La distance]:6km
[La taille]:20*14*2.8mm
[Caractéristique]:Technologie de modulation LoRa nouvelle génération
[Introduction]:E220-400M22S est un petit module développé indépendamment sur la base de la génération de la puce RF LoRa TM LLCC68 produite par la société Semtech. LLCC68 convient aux modules sans fil SMD 433 MHz et 470 MHz et utilise un oscillateur à cristal industriel 32 MHz.
| Pin No. | Item | Direction | Description |
|---|---|---|---|
| 1 | GND | - | Ground, connect to power reference ground |
| 2 | GND | - | Ground, connect to power reference ground |
| 3 | GND | - | Ground, connect to power reference ground |
| 4 | GND | - | Ground, connect to power reference ground |
| 5 | DIO3 | - | Configurable universal IO port (see llcc68 manual for details) |
| 6 | RXEN | input | RF switch receive control pin, connect external MCU IO, high level effective |
| 7 | TXEN | input | RF switch emission control pin, connected to external MCU IO or dio2, high level effective |
| 8 | DIO2 | Input / output | Configurable universal IO port (see llcc68 manual for details) |
| 9 | VCC | - | Power supply, range 1.8V ~ 3.7V (it is recommended to add ceramic filter capacitor externally) |
| 10 | GND | - | Ground, connect to power reference ground |
| 11 | GND | - | Ground, connect to power reference ground |
| 12 | GND | - | Ground, connect to power reference ground |
| 13 | DIO1 | Input / output | Configurable universal IO port (see llcc68 manual for details) |
| 14 | BUSY | output | For status indication (see llcc68 manual for details) |
| 15 | NRST | input | Chip reset trigger input pin, low level effective |
| 16 | MISO | output | SPI data output pin |
| 17 | MOSI | input | SPI data input pin |
| 18 | SCK | input | SPI clock input pin |
| 19 | NSS | input | The module chip selection pin is used to start a SPI communication |
| 20 | GND | - | Ground, connect to power reference ground |
| 21 | ANT | - | RF interface, stamp hole |
| 22 | GND | - | Ground, connect to power reference ground |