[La fréquence]:410.125~493.125MHz
[Du pouvoir]:33dBm
[Distance]:16km
[Taille]:37*60*7.6mm
[Poids du produit]:25.9±0.1g
[Introduction]:E22-400T33D est une nouvelle génération de module sans fil LoRa. Il s'agit d'un module de port série sans fil (UART) basé sur la solution lora de SEMTECH. Il existe différentes méthodes de transmission. Sortie de niveau, prend en charge la tension d'alimentation de 3,3 V à 5,5 V.
| Main parameters | Min. | Typ. | Max. | Remark | |
|---|---|---|---|---|---|
| Operating Voltage(V) | 3.3 | 5.0 | 5.5 | ≥4.7V Guaranteed output power | |
| Communication level(V) | - | 3.3 | - | There is a risk of burnout when using the 5V level | |
| Operating temperature(℃) | -40 | - | 85 | Industrial grade design | |
| Working frequency(MHz) | 410.125 | - | 493.125 | Support ISM band | |
| Emission current(mA) | 850 | 1000 | 1200 | Instantaneous power consumption@33dBm | |
| Receive current(mA) | 11 | 13 | 15 | - | |
| Sleep current(uA) | - | 2 | - | software shutdown | |
| Maximum transmit power(dBm) | 32 | 33 | 34 | - | |
| Receive sensitivity(dBm) | -126 | -128 | -130 | Air rate 2.4 kbps | |
| Air rate(bps) | 2.4k | 2.4k | 62.5k | User programming control |
| Working parameters | Performance | Remark |
|---|---|---|
| reference distance | 16km | Clear and open, antenna gain 5dBi, antenna height 2.5 meters |
| Launch length | 240 Byte | It can be sent in packets of 32/64/128/240 bytes by setting the instruction |
| Cache capacity | 1000 Byte | - |
| Modulation | LoRa | A new generation of LoRa modulation technology |
| Communication Interface | UART serial port | TTL level |
| Packaging method | Plugin | - |
| Interface | Plug-in pin header | Spacing 2.54mm |
| Dimensions | 37*60*7.6mm | Tolerance ±0.1mm (excluding pin header height) |
| RF interface | SMA | Equivalent impedance is about 50Ω |