[Puissance de transmission]:30 dBm
[Distance de communication]:10 km
[Taille du produit]: 48*26mm
[Poids du produit]: 8,9 ± 0,2 g
[Introduction]:E290-400R30D est une nouvelle génération de module Il s'agit d'un module d'interface RS485 développé sur la base de la puce RF PAN3060 de Panqi Micro. Il dispose de plusieurs modes de transmission, fonctionne dans la bande de fréquences de (410,125~493,125 MHz) (par défaut 433,125 MHz), prend en charge l'alimentation CC 5 V et peut être utilisé avec la série E290-T de la même série de bandes de fréquences.
| Radio frequency parameters | Unit | EWM290-400R30D | Remark |
| Maximum transmit power | dBm | 30 | - |
| Reference distance | km | 10 | 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 | 410.125~493.125 | Supports ISM bands |
| Air speed | bps | 2.4k ~ 64.5k | User Programming Control |
| Electrical parameters | unit | EWM290-400R30D | Remark | |
| Operating voltage | V | 4.5~5.5 | ≥5V can guarantee the output power, and if it exceeds 5.5V, there is a risk of burning the module. | |
| Power consumption | Emitting current | mA | 610 | Instant power consumption |
| Receive current | mA | 30 | - | |
| Sleep current | uA | 410 | - | |
| temperature | Operating temperature | ℃ | -40~+85 | Industrial design |
| Storage temperature | ℃ | -40~+85 | Industrial design | |
| Hardware parameters | EWM290-400R30D | Remark |
| Crystal oscillator frequency | 32MHz | Industrial-grade high-precision crystal oscillator |
| Modulation method | LoRa | The new generation of LoRa modulation technology |
| Interface method | PH2.0 | Spacing 2.0mm, reserved 2.54mm holes |
| Communication interface | RS485 interface | - |
| Emission length | 240 Byte | Subcontract 32/64/128/240 bytes can be set through instructions |
| Packaging method | Pin type | - |
| Cache capacity | 500Byte | - |
| Antenna interface | SMA-K | Equivalent impedance is about 50Ω |
| size | 26*48mm | ±0.2mm |
| Net weight of product | 8.9g | ±0.2g |