E290-900T20S Solution de puce PAN3060 Nouvelle technologie à spectre étalé ChirploT Réveil à point unique Adaptatif à la vitesse de l'air Mise à niveau en ligne du micrologiciel IAP
[Puissance de transmission]：20 dBm
[Distance de communication]：5 km
[Débit aérien]：2,4 kbps à 62,5 kbps
[Taille du produit]：26*16mm
[Poids du produit]：2,37 ± 0,05 g
[Introduction]：Le module E290-900T20S est un module sans fil de nouvelle génération, un module de port série sans fil UART basé sur la puce RF PAN3060 de Panqi Micro. Il dispose de plusieurs modes de transmission, fonctionne dans la bande de fréquences de (850,125 à 930,125 MHz) (par défaut 868,125 MHz), adopte la technologie à spectre étalé ChirpIoT™ et dispose d'une sortie de niveau TTL. Le module sans fil adopte la nouvelle génération de technologie à spectre étalé ChirpIoT™
Magasin officiel| Radio frequency parameters | Unit | describe | Remark |
| Maximum transmit power | dBm | 20 | - |
| Receive sensitivity | dBm | -125 | Air rate is 2.4kbps |
| Reference distance | m | 5k | It is clear and spacious, with an antenna gain of 5dBi, an antenna height of 2.5 meters, and an air speed of 2.4kbps. |
| Working frequency band | MHz | - | |
| Air speed | bps | 2.4k ~ 62.5k | User Programming Control |
| Blocking power | dBm | 10 | There is a risk of burning when used in close range |
| Emission length | Btye | 240 | Subcontract 32/64/128/240 bytes can be set through instructions |
| Cache capacity | Btye | 500 | - |
| Electrical parameters | unit | describe | Remark | ||
| Operating voltage | In | 2.6~5.5 | ≥5V can guarantee the output power, and if it exceeds 5.5V, there is a risk of burning the module. | ||
| Communication level | In | 3.3V | Use 5V TTL with risk of burning | ||
| Power consumption | Emitting current | and | 120 | Fixed load instantaneous power consumption, different antenna measurement results | |
| Receive current | DCDC mode | and | 6.1 | - | |
| LDO mode | 10.2 | ||||
| Sleep current | do | 2 | Software shutdown | ||
| temperature | Operating temperature | ℃ | -40～+85 | Industrial design | |
| Storage temperature | ℃ | -40～+85 | Industrial design | ||
| Hardware parameters | describe | Remark |
| Crystal oscillator frequency | 32MHz | Industrial-grade high-precision crystal oscillator |
| Modulation method | ChirpIoT™ | The next generation of ChirpIoT™ modulation technology |
| Interface method | 1.27mm stamp hole | |
| Communication interface | UART serial port | TTL level |
| Packaging method | SMD type | - |
| Antenna interface | IPEX/stamp hole | Equivalent impedance is about 50Ω |
| size | 16*26mm | ±0.2mm |
| Net weight of product | 2.37g | ±0.05g |