[IC]:SI4438
[Frecuencia]:475~500.5MHz
[Energía]:10~20dBm
[Distancia]:2.5km
[Interfaz]:UART
[Peso]:6.7±0.1g
[Introducción]:E30-490T20D es un módulo transceptor inalámbrico de 20dBm. Funciona a 475-500,5 MHz, basado en RFIC SI4463 de Silicon Labs, proporciona una forma fácil de usar y una solución de bajo consumo para la transmisión inalámbrica de datos.
RF Parameter | Value | Remark |
Working frequency | 475~500.5 MHz | Default: 490MHz |
Transmitting power | 10~20 dBm | Default: 20dBm(About 100mW) |
Receiving sensitivity | -121 dBm | Air data rate: 5kbps |
Air data rate | 1k~25kbps | Default: 5kbps |
Test distance | 2500m | In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 2.4kbps |
Hardware Parameter | Value | Remark |
Size | 21 * 36 mm | Without SMA |
Antenna type | SMA-K | |
Communication interface | UART | Baud rate: 1200~115200, default: 9600 |
Package | DIP | |
Buffer | 512 bytes buffer | Automatically sub-packaging with 58 bytes per package |
Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
Power supply | 2.3 | 5.0 | 5.2 | V | |
Communication level | 2.5 | 3.3 | 3.6 | V | |
Transmitting current | 82 | 89 | 98 | mA | 20dBm(100mW) |
Receiving current | 15 | 16 | 17 | mA | |
Sleep current | 3 | 4 | 5 | μA | |
Operating temperature | -40 | 20 | +85 | ℃ | |
Operating humidity | 10 | 60 | 90 | % | |
Storage temperature | -40 | 20 | +125 | ℃ |