[Interface]:UART
[La fréquence]:433MHz
[Du pouvoir]:20dbm
[Distance]:2.5KM
[Lester]:17*30mm
[Poids du produit]:2.4±0.1g
[Introduction]:E30T-433T20S est un module de port série sans fil haute température (UART), semi-duplex, émetteur-récepteur intégré, transmission transparente, type SMD, sortie de niveau TTL, bande de fréquence de travail 4 25 ~ 4 50,5 MHz, puissance de transmission 100 mW, peut fonctionner en -40 Environnement ~ +125 °C, adapté aux scénarios de fonctionnement à haute température.
Main parameter | Performance | Remark |
---|---|---|
Reference distance | 3500m | Clear and open environment, antenna gain 3.5dBi, antenna height 2.5m, air rate 1kbps |
Subcontracting | 58 Byte | The maximum capacity of a single package, it will be automatically sub-packaged when it exceeds. |
Cache capacity | 128 Byte | - |
Modulation | GFSK | - |
Packaging method | SMD | - |
Interface | 1.27mm | - |
Communication Interface | TTL | TL level |
Dimensions | 16 * 26mm | - |
Antenna interface | IPEX/stamp hole | Equivalent impedance is about 50 ohms |
Main parameter | Min. | Typ. | Max. | Unit | Remark |
---|---|---|---|---|---|
Operating Voltage | 2.7 | 5.0 | 5.5 | V | ≥3.3V can guarantee output power |
Working frequency | 410 | - | 450 | MHz | Factory default 433MHz, support ISM frequency band |
Communication Level | - | 3.3 | - | V | Risk of burnout with 5V TTL |
Emission current | - | 120 | - | mA | Instantaneous power consumption |
Receive current | - | 20 | - | mA | - |
Sleep current | - | 20 | - | uA | software shutdown |
Maximum transmit power | 19.4 | 20 | 20.5 | dBm | - |
Receive sensitivity | -120 | -121 | -122 | dBm | air rate is 1kbps |
Air rate | 1k | 1 | 25k | bps | User programming control |