Ebyte E22-400T37S 433/470MHz 5W module sans fil LoRa de mise en réseau de relais haute puissance
[Puissance d'émission]：37 dBm
[Distance de communication]：25 km
[Taille du produit]：50 x 30,9 mm.
[Introduction]：E22-400T37S est une nouvelle génération de module sans fil LoR. Il s'agit d'un module de port série sans fil (UART) de la solution LoRa de SEMTECH. Il dispose d'une variété de méthodes de transmission et fonctionne dans la bande de fréquence (410,125 ~ 493,125 MHz) (433,125 MHz par défaut Technologie à spectre étalé LoRa, circuit TTL sortie plate, prend en charge la tension d'alimentation 4,5 V-15 V.
Magasin officiel| Main parameter | performance | Remark | |||||
| minimUm | Typical value | maximu m | |||||
| Operating voltage (V). | 4.5 | 5~12 V | 15 | ≥4. 5V guarantees output power, and the lower the voltage, the greater the supply current | |||
| Communication level (V) | - | 3.3 | - | Using 5V levels may pose a risk of burnout, requiring | |||
| Operating temperature (°C). | -40 | - | 85 | Industrial-grade design | |||
| Operating frequency band (MHz). | 410.125 | - | 493.125 | ISM bands are supported | |||
| power consumpion | 5V transmit current (mA) | 2900 | 3100 | 3300 | Test at 50 ohms impedance, impedance mismatch may cause large current, use 5V power supply,please provide at least 3.5A output power supply | ||
| 12V transmit current (mA) | 900 | 1100 | 1300 | Test at 50 ohms impedance, impedance mismatch may cause large current, use 12V power supply, please provide at least 1.5A output power supply | |||
| Receive current (mA). | 11 | 43 | 15 | - | |||
| Sleep current (uA). | - | 2 | - | Software shutdown | |||
| Maximum transmit power(dBm). | 36 | 37 | 38 | - | |||
| Receive sensitivity (dBm). | -126 | -128 | -130 | Air rate 2.4 kbps | |||
| Air rate (bps). | 0.3k | 2.4k | 62.5k | User programmatic control | |||
| Reference distance | 20km | Clear sky, Chengdu downtown, antenna gain 5dBi, | |||||
| Emission length | 240 Byte | Subpackets can be sent by command setting | |||||
| Cache capacity | 1000 Byte | - | |||||
| Modulation mode | LoRa | A new generation of LoRa modulation technolog | |||||
| Communication interface | UART serial port | TTL leve | |||||
| Encapsulation method | SMD | SMD | |||||
| Interface mode | 2.54mm | - | |||||
| Form factor | 50*30.9mm | - | |||||
| RF interfac | IPEX/stamp hole | The characteristic impedance is about 50 ohms | |||||