[Puissance d'émission]:33 dBm
[Distance de communication]:16 km
[Taille du produit]:25*40.5mm
[Poids du produit]:5±0.1g
[Introduction]:E22-900T33S 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 dispose de diverses méthodes de transmission et fonctionne dans la bande de fréquences 850,125-930,125 MHz. Technologie à spectre étalé LoRa, sortie de niveau TTL, compatible avec les tensions des ports IO 3,3 V et 5 V.
Main parameter | performance | Remark | |||
Minimum | Typical | Maximum | |||
Working voltage (V) | 3.3 | 5 | 5.5 | ≥5.0V guaranteed output power | |
Communication level (V) | 3.3 | There may be a risk of burning when using a 5V level | |||
Working temperature (℃) | -40 | - | 85 | industrial design | |
Working frequency band (MHz) | 850.125 | - | 930.125 | Support ISM frequency band | |
Consumption | Emission current (mA) | - | 1200 | - | Instantaneous power consumption 033dBm |
Receive current (mA) | - | 14 | - | - | |
Sleep current (uA) | 3 | - | software shutdown | ||
Maximum transmit power (dBm) | 32 | 33 | 34 | - | |
Receiving sensitivity (dBm) | -123 | -124 | -125 | Air rate 2.4 kbps | |
Air rate (bps) | 2.4k | 2.4k | 62.5k | User Programmable Control | |
Reference distance | 16km | Clear sky, antenna gain 5dBi, antenna height 2.5 meters, air rate 2.4kbps | |||
launch length | 240 Byte | Subpackage 32/64/128/240 bytes can be sent by command setting | |||
cache capacity | 1000 Byte | - | |||
Modulation | L0Ra | A new generation of L0Ra modulation technology | |||
Communication Interface | UART serial port | TTL level | |||
Encapsulation | SMD | - | |||
Interface | stamp hole | Stamp hole, pitch 2.54mm | |||
Dimensions | 25*40.5 mm | - | |||
RF interface | IPEX/stamp hole | Equivalent impedance about 50Ω |