[Puce]：LLCC68
[Fréquence de travail]：850 MHz ~ 930 MHz
[Puissance d'émission]： 22 dBm
[Distance]：6 km
[Taille]：10*10*2.5mm
[Poids]： 0,5 g ± 0,02 g
[Introduction]：E220-900MM22S est un volume ultra-petit développé indépendamment sur la base d'une nouvelle génération de puce RF LoRaTM LLCC68 produite par Semtech, et convient aux modules sans fil SMD LoRaTM 868 MHz, 915 MHz, utilisant un oscillateur à cristal 32 MHz de qualité industrielle.
| Hardware Parameters | Parameter Value | Remark |
| Crystal oscillation frequency | 32MHz | - |
| Package - | SMD | - |
| Connector | stamp hole | Spacing 1.27mm |
| Communication interface | SPI | 0-10Mbps |
| Size | 10* 10*2.5 mm | With shield |
| Net weight | 0.5g±0.02g | |
| RF interface | stamp hole | - |
| Main Parameter | Performance | Remark | |||
| Min. | Type | Max. | |||
| Operating voltage（V） | 1.8 | 3.3 | 3.7 | ≥3.3V can guarantee the output power, more than 3.7V will permanently burn the module | |
| Communication level（V） | - | 3.3 | - | Risk of burnout with 5V TTL | |
| Operating temperature（°C） | -40 | +85 | Industrial grade design | ||
| power consumption | TX current （mA） | - | 100 | - | Instantaneous power consumption |
| RX current （mA） | - | 10 | - | - | |
| Sleep current （uA） | - | 1.2 | - | software shutdown | |
| RF Parameter | Parameter Value | Remark | |
| Operating frequency | 850MHz～930MHz | Support ISM | |
| Transmit power | 21dBm～22dBm | The software is adjustable and needs to be developed and set by | |
| Receiving sensitivity | -129dBm | BW_L=250kHz，SF = 10，LORATM | |
| FIFO | 256Byte | Maximum length of single transmission | |
| Modulation mode LoRa | LoRa | LoRa modulation is recommended | |
| Blocking power | 10dBm | The probability of burning at close range is small | |
| Air rate LoRa | LoRa（bps） | 1.76k～62.5k | User programming control |
| Reference distance | 5500m | Clear and open environment, antenna gain 5dBi, antenna height | |