E80-900M2212S(LR2021) Module LoRa double bande, puce LoRa Plus™ LR2021, entièrement compatible avec les SX126X et SX128X
[Puce]：LR2021
[Fréquence]：868 MHz/915 MHz/2,4 GHz
[Puissance]：22/12 dBm
[Portée]：5/2,2 km
[Type d’antenne]：IPEX-1/Trou de connexion
[Dimensions]：26 * 16 mm
[Introduction]：Le E80-900M2212S(LR2021) est un module sans fil LoRa double bande de type patch, utilisant l'interface SPI et développé indépendamment à partir de la puce LR2021, composant IP LoRa® de quatrième génération de SEMTECH. Il offre des puissances d'émission respectives de 22 dBm et 12 dBm. Le module intègre un oscillateur à cristal actif de haute précision de 32 MHz à compensation de température de qualité industrielle et prend en charge les bandes Sub-GHz, 2,4 GHz ISM et les réseaux de communication terrestres et par satellite sous licence en bande S.
Magasin officiel| parameter | describe |
| Chip solutions | LR2021 |
| Interface method | 1.27mm stamp perforation |
| Communication interface | SPI communication level is 1.8-3.7V, but 3.3V is recommended to ensure data reliability. |
| High-frequency crystal oscillator frequency | 32MHz, the module has a built-in active temperature compensated crystal oscillator. |
| Low frequency crystal oscillator frequency | 32.768kHz, the module is already built-in. |
| Antenna type | IPEX-1/Stamp Hole, Sub-GHz/2.4GHz Dual Antenna Interface Design |
| size | 26.0*16.0*3.0mm, tolerance ±0.2mm. See Chapter 3 for detailed dimensions. |
| Packaging method | surface mount |
| Work environment | |
| Operating temperature | -40℃～+85℃, industrial grade standard |
| Operating humidity | 10–90% RH, no condensation |
| Storage temperature | -40℃～+125℃ |
| RF parameters | |
| Transmit power | ≤22dBm, @Sub-GHz, user-programmable output power. |
| ≤12dBm, @2.4GHz, user-programmable output power. | |
| Operating frequency band | 410MHz～493MHz, compatible with E80-400M2212S, users can program the module to work at different frequencies, supporting frequency band customization. |
| 850MHz～930MHz, suitable for E80-900M2212S, users can program the module to work at different frequencies, supporting frequency band customization. | |
| Both modules are suitable for frequencies ranging from 2400 to 2500 MHz. Users can program the modules to operate at different frequencies, supporting frequency band customization. | |
| Receiver sensitivity | -142dBm@LoRa 125 kHz sub-GHz |
| -111dBm@100kbps DSSS O-QPSK | |
| -111dBm@FLRC 260 kbps sub-GHz | |
| -103.5dBm@FLRC 1Mbps, -100.5dBm@1.95Mbps | |
| -103dBm@802.15.4 DSSS O-QPSK 250kbps | |
| -100dBm@GMSK 1Mbps, -97dBm@2Mbps | |
| Transmission rate | 2.6Mbps@FLRC，200kbps@LoRa |
| Transmission distance | ≈5km, @Sub-GHz, clear and open environment, antenna gain 3.5dBi, antenna height 2.5m, air speed 2.4kbps |
| ≈2.2km, @2.4GHz, clear and open environment, antenna gain 5dBi, antenna height 2.5m, air speed 2.4kbps | |
| Electrical parameters | |
| Power supply voltage | The voltage range is 2.5 to 3.7V. When the operating voltage is ≥3V, the output power requirement can be met. However, there is a risk of burnout if the operating voltage exceeds 3.7V. |
| Communication level | Using 5V TTL with a 3.3V connection risks damage; users should use the conversion circuit appropriately. |
| Emission current | ≈102mA, 433MHz, instantaneous power consumption |
| ≈114mA, 915MHz, instantaneous power consumption | |
| ≈27mA, 2.4GHz, instantaneous power consumption | |
| Received current | ≈7.4mA，433MHz |
| ≈6.8mA，915MHz | |
| ≈7.1mA，2.4GHz | |
| Dormant current | ≈2uA, 433MHz, all radio frequencies are not working. |
| ≈2uA, 915MHz, all RF frequencies are not working. | |