E220-900M22S 868/ 915 MHz module lora Transmission longue distance module LLCC68 LoRa technologie de modulation LoRa de nouvelle génération
[IC]：LLCC68
[La fréquence]：850~930MHz
[La distance]：7km
[Interface]： SPI
[Le poids]：1.5±0.1g
[Introduction]：E220-900m22s est un petit module auto-développé basé sur la nouvelle génération de puce RF LoRa TM llcc68, produite par la société Semtech. Il convient aux modules sans fil LoRa TM de 868 MHz et 915 MHz et utilise un oscillateur à cristal industriel de 32 MHz
Magasin officiel
| 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 |