E22-400T30S Solution LoRa RF module UART technologie à spectre étalé LoRa, d'une sortie de niveau TTL
[La fréquence]：410.125～493.125MHz
[Du pouvoir]：30dBm
[Distance]：10km
[Taille]：25*40.5mm
[Poids du produit]：5.7±0.1g
[Introduction]：E22-400T30S est un module de port série sans fil (UART) basé sur la solution LoRa de SEMTECH. Il dispose de plusieurs modes de transmission, de la technologie à spectre étalé LoRa, d'une sortie de niveau TTL et est compatible avec les tensions des ports IO de 3,3 V et 5 V.
| Operating parameter | Performance | Remark |
|---|---|---|
| Operating frequency | 410.125~493.125MHz | Support ISM band |
| Tx power | 30 dBm | - |
| Receiving sensitivity | -148dbm | Air data rate is 2.4kbps |
| Air data rate | 0.3k~62.5kbps | Controlled via user’s programming |
| Distance for reference | 10000m | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 2.4kbps |
| Size | 40.5*25 mm | - |
| Antenna | IPEX/stamp hole | 50 ohm impedance |
| Communication interface | UART | - |
| Package | SMD | - |
| Main parameter | Min. | Typ. | Max. | Unit | Remark |
|---|---|---|---|---|---|
| Operating voltage | 2.3 | 5.0 | 5.5 | V | ≥5.0 V ensures output power |
| Communication level | - | 3.3 | - | V | For 5V TTL, It is recommended to add level conversion |
| TX current | - | 610 | - | mA | Instant power consumption |
| RX current | - | 17 | - | mA | - |
| Sleep current | - | 2 | - | μA | Software is shut down |
| Operating temperature | -40 | - | +85 | ℃ | - |