Ebyte Semtech SX1281 UART 3Km Gamme 2.4GHz 12dBm SMD 17.5*28.7mm CE FCC LoRa Transmetteur Sans Fil RF Module
[IC]：SX1280
[La fréquence]：2.4~2.5GHz
[Du pouvoir]：12.5dBm
[Distance]：3.0km
[Interface]：UART
[Lester]：2.2±0.1g
[Poids du produit]：2.2±0.1g
[Introduction]：E28-2G4T12S est un module UART basé sur SEMTECH SX1281, il adopte une transmission transparente et fonctionne sur la bande 2,4 GHz. Il adopte les modulations LoRa, FLRC et GFSK. Il dispose d'un emballage SMD avec des interfaces d'antenne IPX et PCB, et sa sortie TTL est de 3,3 V.
Magasin officiel| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 2400~2500 MHz | ISM band |
| Transmitting power | 12.5 dBm | - |
| Receiving sensitivity | -132 dBm | Air data rate: 1.0kbps |
| Modulation | LoRa FLRC GFSK | - |
| Test distance | 3000m | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 1kbps |
| Hardware Parameter | Value | Remark |
|---|---|---|
| Size | 17.5 * 28.7 mm | - |
| Antenna type | IPEX / PCB | 50Ω Impedance |
| Communication interface | UART | TTL |
| Package | SMD | - |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 2.3 | 5.0 | 5.5 | V | ≥5.0V ensures output power |
| Communication level | - | 3.3 | - | V | For 5V TTL, it may be at risk of burning down |
| Transmitting current | - | 46 | - | mA | Instant power consumption |
| Receiving current | - | 20 | - | mA | - |
| Sleep current | - | 8 | - | μA | Software is shut down |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |