[IC]:LLCC68
[La fréquence]:220.125~236.125MHz
[La puissance]:30dBm
[La distance]:10km
[La taille]:25*40.5mm
[Fonctionnalités]:Nouvelle génération de technologie LoRa
[Introduction]:E220-230T30S est une nouvelle génération de module de port série sans fil LoRa (UART), basé sur la conception originale de la solution de puce LLCC68 de Semtech. Il a une variété de méthodes de transmission, fonctionne dans la bande de fréquence (220,125 ~ 236,125 MHz) (230,125 MHz par défaut), technologie de spectre étalé LoRa, sortie de niveau TTL, compatible avec la tension de port IO 3,3 V et 5 V.
| No. | Name | Direction | Function |
|---|---|---|---|
| 1 | GND | Input | Module ground |
| 2 | VCC | Input | Voltage range: 3.0~5.5V DC |
| 3 | AUX | Output | Used to indicate the working status of the module; wakes up the external MCU, and outputs low level during power-on self-check initialization; (can be left floating) |
| 4 | TXD | Output | TTL UART outputs, connects to external RXD input pin. |
| 5 | RXD | Input | TTL UART inputs, connects to external TXD output pin. |
| 6 | M1 | Input(weak pull-up) | Work with M0 to decide 4 working modes of module (not float, if not used, could be grounded). |
| 7 | M0 | Input(weak pull-up) | Work with M1 to decide 4 working modes of module (not float, if not used, could be grounded). |
| 11 | ANT | Output | Antenna interface (high frequency signal output, 50 ohm impedance) |
| 12 | GND | - | Fixed ground |
| 13 | GND | - | Fixed ground |
| 14 | GND | - | Fixed ground |
| 18 | NC | Input/Output | NC pin, this pin needs to be left floating (for subsequent expansion) |
| 19 | NC | Input/Output | NC pin, this pin needs to be left floating (for subsequent expansion) |
| 20 | NC | Input/Output | NC pin, this pin needs to be left floating (for subsequent expansion) |
| 21 | NC | Input | (Users do not need to connect, to be left floating) |
| 22 | NC | Input | (Users do not need to connect, to be left floating) |
| 23 | GND | Input | Fixed ground |
| 24 | NC | Input | (Users do not need to connect, to be left floating) |