[IC]:CMT2300A
[Fréquence]:410~510MHz
[Puissance]:30dBm
[Distance]:5.5km
[Taille]:24*38.5mm
[Poids]:1.2±0.1g
[Introduction]:E49-400M30S est un module de transmission de données sans fil économique lancé par Chengdu Ebyte. Il s'agit d'un module matériel pur basé sur CMT2300A. Le E49-400M30S prend en charge une puissance de transmission maximale de 30 dBm et les utilisateurs peuvent définir une puissance de sortie inférieure pour économiser la consommation d'énergie.
| Pin number | Item | Pin direction | Pin purpose |
|---|---|---|---|
| 1 | GND | - | Ground |
| 2 | GND | - | Ground |
| 3 | GND | - | Ground |
| 4 | GND | - | Ground |
| 5 | GND | - | Ground |
| 6 | RXEN | Input | RF switch receiving control pin, connected to external MCU IO, high level effective |
| 7 | TXEN | Input | RF switch receiving control pin, connected to external MCU IO, high level effective |
| 8 | GPIO3 | Input/Output | Configurable general IO port (see CMT2300A manual for details) |
| 9 | VCC | - | Power supply, range 3.3 ~ 5.5V (external ceramic filter capacitor is recommended) |
| 10 | VCC | - | Power supply, range 3.3 ~ 5.5V (external ceramic filter capacitor is recommended) |
| 11 | GND | - | Ground |
| 12 | GND | - | Ground |
| 13 | GPIO2 | Input/Output | Configurable general IO port (see CMT2300A manual for details) |
| 14 | GPIO1 | Input/Output | Configurable general IO port (see CMT2300A manual for details) |
| 15 | FCSB | Input | SPI accesses FIFO slice selection |
| 16 | CSB | Input | SPI accesses FIFO slice selection |
| 17 | SDIO | Input/Output | SPI data input and output |
| 18 | SLCK | Input | SPI clock pin |
| 19 | NC | - | - |
| 20 | GND | - | Ground |
| 21 | ANT | - | Antenna interface, stamp hole (50Ω characteristic impedance) |
| 22 | GND | - | Ground |