Ebyte Ultra-High Cost-Effective Wireless Module 2000m Long Range Rf Transceiver Based On AMICCOM A7139 Chip
[Poids du produit]：2.3±0.5g
[IC]：A7139
[Fréquence]：425~470MHz
[Puissance]：20dBm
[Distance]：2km
[Taille]：20*14mm
[Fonctionnalité]：Super cost-effective, low power consumption
[Introduction]：E41-400M20S est un module de transmission de données sans fil à très haut rendement lancé par Ebyte. Il est basé sur la puce radiofréquence A7139 d'AMICCOM et se caractérise par sa petite taille et sa faible consommation d'énergie.
| No. | Pin | Direction | Description |
|---|---|---|---|
| 1 | GND | - | Ground |
| 2 | GND | - | Ground |
| 3 | GND | - | Ground |
| 4 | GND | - | Ground |
| 5 | GND | - | Ground |
| 6 | SCS | DI | SPI chip select pin |
| 7 | SCK | DI | SPI clock pin |
| 8 | SDIO | DI/O | SPI data pin |
| 9 | GND | - | Ground |
| 10 | GND | - | Ground |
| 11 | VCC | - | Power supply, connects to power supply +3.3V |
| 12 | GPIO1 | DI/O | Configurable multi-function IO port (seeA7139 manual for details) |
| 13 | GPIO2 | DI/O | Configurable multi-function IO port (seeA7139 manual for details) |
| 14 | GND | - | Ground |
| 15 | GND | - | Ground |
| 16 | GND | - | Ground |
| 17 | ANT | - | Antenna stamp hole interface, impedance is 50Ω |
| 18 | GND | - | Ground |