E290-400T20D Module de port série sans fil UART basé sur la puce RF PAN3060 Commande AT Mise à niveau CIAP Point de réveil unique Adaptatif à la vitesse de l'air Mise en réseau de relais automatique
[Puce]：PAN3060
[Puissance d'émission]：20 dBm
[Distance de communication]：5 km
[Dimensions]：21 x 36 mm
[Introduction]：Le module E290-400T20D est un module de port série sans fil UART basé sur la puce RF PAN3060 d'Ebyte. Il offre plusieurs modes de transmission, une bande de fréquences de fonctionnement de 410,125 à 493,125 MHz, adopte la technologie d'étalement de spectre ChirpIoT™ de nouvelle génération et une sortie TTL.
Magasin officiel| RF parameters | unit | Numerical values | Note |
| Maximum transmit power | dBm | 20 | - |
| Receiving sensitivity | dBm | -125 | The air rate is 2.4kbps |
| Reference distance | m | 5k | It is clear and empty, with an antenna gain of 5dBi, an antenna height of 2.5 meters, and an air speed of 2.4kbps. |
| Operating frequency band | MHz | 410.125～493.125 | - |
| Air rate | bps | 2.4K～62.5K | User programming control |
| Blocking power | dBm | 10 | There is a risk of burning when used in close proximity |
| Launch length | Btye | 240 | It can be sent by setting the subpack of 32/64/128/240 bytes through the command |
| Cache capacity | Btye | 500 |
| Electrical parameters | unit | Numerical values | Note | ||
| Operating voltage | V | 2.6～5.5 | ≥5V guarantees output power , and there is a risk of burning the module over 5.5V. | ||
| Communication level | V | 3.3V | Using 5V TTL is at risk of burnout | ||
| Power consumption | Emission current | but | 120 | Fixed load instantaneous power consumption, antenna measurements vary | |
| Receive current | DCDC mode | but | 6.1 | - | |
| LDO mode | 10.2 | ||||
| Dormant current | uA | 2 | Software shutdown | ||
| temperature | Operating temperature | ℃ | -40～+85 | Industrial-grade design | |
| Storage temperature | ℃ | -40～+85 | Industrial-grade design | ||
| Hardware parameters | Parameters | Note |
| Crystal frequency | 32MHz | Industrial-grade high-precision crystal oscillator |
| Modulation method | ChirpIoT™ | Next-generation ChirpIoT™ modulation technology |
| interface method | 2.54mm pin header | - |
| Communication interface | UART serial port | TTL level |
| Package | Push-in | - |
| Antenna interface | SMA-K | The equivalent impedance is about 50Ω |
| Size | 21*36 mm | ±0.2mm |
| Product net weight | 6.5g | ±0.05g |