E220-900T22D LoRa Module UART sans fil RSSI ISM 868MHz 915MHz 22dBm Module LoRa Spread Spectrum Interface UART Antenne SMA-K
[IC]：LLCC68
[La fréquence]：850.125~930.125MHz
[La puissance]：22dBm
[La distance]：5km
[La taille]：21*36mm
[Poids du produit]：7.5g±0.1g
[Introduction]：E220-900T22D adopte une nouvelle génération de technologie à spectre étalé LoRa et un module de port série sans fil (UART) conçu sur la base du schéma de puce LLCC68. Il a une variété de méthodes de transmission, fonctionne dans la bande de fréquence (850.125 ～ 930.125MHz) (par défaut 873.125MHz), sortie de niveau TTL, compatible avec la tension de port IO 3.3V et 5V
Magasin officiel| Main Parameter | Min. | Typ. | Max. | Unit | Remark |
|---|---|---|---|---|---|
| Operating voltage | 2.3 | 3.3 | 5.5 | V | ≥3.3V ensures output power |
| Communication level | - | 3.3 | - | V | For 5V TTL, it may be burning down |
| TX current | - | 110 | - | mA | Instant power consumption @22dBm |
| RX current | - | 16.8 | - | mA | 5V Voltage |
| Sleep current | - | 5 | - | uA | Software shutdown |
| Operating Temperature | -40 | - | +85 ℃ | Industrial grade | |
| Operating frequency | 850.125 | - | 930.125 | MHz | Support ISM band |
| Tx power | 21.5 | 22 | 22.5 | dBm | - |
| Receiving sensitivity | -146 | -147 | -148 | dBm | Air data rate 2.4kbps |
| Air data rate | 2.4k | 2.4k | 62.5k | bps | To control via user’s program |
| Main Parameter | Performance | Remark |
|---|---|---|
| Distance for reference | 5km | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate:2.4kbps |
| TX length | 200 Btye | Can be configured via command as 32/64/128/200 bytes per packet to transmit |
| Buffer | 400 Btye | - |
| Modulation | LoRa | New generation LoRa modulation technology |
| Communication interface | UART Serial Port | TTL Level |
| Package | DIP | - |
| Size | 21*36 mm | - |
| Antenna | SMA-K | 50 ohm impedance |