E290-400T20S module de port série sans fil à puce RF PAN3060 433 MHz prend en charge la mise en réseau automatique des relais et la mise à niveau IAP des commandes AT
[Puissance de transmission]：20 dBm
[Distance de communication]：5 km
[Tarif aérien]：2,4k～62,5kbps
[Taille du produit]：26*16mm
[Poids du produit]： 2,37 ± 0,05 g.
[Introduction]：E290-400T20S est un module de port série sans fil (UART) basé sur la puce RF PAN3060, avec plusieurs modes de transmission, fonctionnant dans la bande de fréquence (410,125 ~ 493,125 MHz) (par défaut 433,125 MHz), utilisant la technologie d'étalement de spectre ChirpIoT™, sortie de niveau TTL.
Official Store| The main parameters | performance | Remark | |||
| minimum value | Typical value | maximum value | |||
| Working voltage(V) | 2.6 | 5 | 5.5 | ≥3.3V guarantees output power | |
| Communication level(V) | - | 3.3 | - | When using 5V TTL, it is recommended to add level conversion | |
| Working temperature (℃) | -40 | - | 85 | Industrial grade design | |
| Working frequency band (MHz) | 410.125 | - | 493.125 | Support ISM band | |
| Power consumption | Emission current (mA) | - | 120 | - | Fixed load instantaneous power consumption, antenna measurement results vary |
| Receive current (mA) | - | 10.2 | - | 6.1mA @ DCDC mode 10.2mA @ LDO mode (default) | |
| Sleep current (μA) | - | 2 | Software shutdown | ||
| Maximum transmit power (dBm) | 19.5 | 20 | - | - | |
| Over-the-air rate (bps) | 2.4K | 2.4K | 62.5K | User Programmed Control | |
| Main parameters | Description | Remark |
| reference distance | 5km | Sunny and open space, antenna gain 5dBi, antenna height 2.5 meters, air rate 2.4kbps |
| Launch length | 240 btye | Subpackage 32/64/128/240 bytes can be set through instructions to send |
| Cache capacity | 500 bty | - |
| Modulation | ChirpIoT™ | Next generation ChirpIoT™ modulation technology |
| Communication Interface | UART serial port | TTL level |
| Packaging method | SMD type | - |
| Interface mode | 1.27mm stamp hole | - |
| Dimensions | 16*26 mm | - |
| Antenna interface | IPEX/stamp hole | Equivalent impedance is about 50Ω |
| Product Weight | 2.37g | ±0.05g |
| Main parameters | Performance | Remark | |
| minimum value | maximum value | ||
| Supply voltage (V) | 0 | 5.5 | Exceeding 5.5V will permanently burn the module |
| Blocking power (dBm) | - | 10 | Less likely to be burned if used at close range |
| Working temperature (℃) | -40 | 85 | Industrial grade |