[Puce]:BC3603
[Fréquence]:410-510 MHz
[Puissance d’émission]:20 dBm
[Distance de communication]:3 km
[Dimensions]:20 x 14 mm
[Poids]:1,5 ± 0,1 g
[Introduction]:La série EWM47-M est un module de transmission sans fil économique et performant, développé indépendamment par Ebyte à partir de la puce RF domestique de nouvelle génération BC3603. Elle intègre un oscillateur à quartz haute précision de qualité industrielle, compatible avec les bandes de fréquences 433 MHz et 470 MHz et prend en charge de multiples méthodes de modulation telles que OOK et GFSK, répondant ainsi aux besoins des utilisateurs de maisons intelligentes, de relevés de compteurs sans fil, de recherche scientifique et de traitement médical, ainsi que des équipements de communication sans fil à moyenne et longue distance.
| Pin number | Pin Name | Pin direction | Pin Purpose |
| 1 | GND | Ground wire, connected to the power reference ground | |
| 2 | GND | Ground wire, connected to the power reference ground | |
| 3 | GND | Ground wire, connected to the power reference ground | |
| 4 | GND | Ground wire, connected to the power reference ground | |
| 5 | GND | Ground wire, connected to the power reference ground | |
| 6 | NC | No connection required | |
| 7 | NC | No connection required | |
| 8 | NC | No connection required | |
| 9 | VCC | Power supply, range 1.8V~3.6V (it is recommended to add external ceramic filter capacitors) | |
| 10 | NC | No connection required | |
| 11 | GND | Ground wire, connected to the power reference ground | |
| 12 | GND | Ground wire, connected to the power reference ground | |
| 13 | NC | No connection required | |
| 14 | GIO3 | BC3603 chip pins, see the official chip user manual for details | |
| 15 | GIO2 | BC3603 chip pins, see the official chip user manual for details | |
| 16 | MISO/GIO1 | Output | SPI data output pin |
| 17 | MONEY | input | SPI data input pin |
| 18 | SCK | input | SPI clock input pin |
| 19 | CSN | input | Module chip select pin, used to start an SPI communication |
| 20 | GND | Ground wire, connected to the power reference ground | |
| 21 | ON | Input/Output | Antenna interface, stamp hole (50 ohm characteristic impedance) |
| 22 | GND | Ground wire, connected to the power reference ground |