[Вес изделия]： 0.5g±0.02g
[Рабочая полоса частот]： 850MHz～930MHz
[Мощность передачи]： 22dBm
[Расстояние связи]： 7km
[Размер товара]： 10*10*2.5mm
[Введение]： E22-900MM22S основан на новом поколении радиочастотного чипа LoRaTM SX1262, произведенного компанией Semtech в США в качестве ядра независимых исследований и разработок сверхмалого объема, и подходит для беспроводного модуля LoRaTM с частотой 868 МГц, 915 МГц.
| mainly parameters | Description | Notes |
| Distance | 7000m | Clear and open environment, antenna gain 5dBi, antenna height 2.5m, air speed 0.3kbps. |
| FIFO | 256 Byte | Maximum sending length |
| Crystal frequency | 32 MHz | - |
| Modulation method | LoRa(recommend) | - |
| Encapsulation way | SMD | - |
| Interface | 1.27mm | Stamp hole |
| Communication interface | SPI | 0-10Mbps |
| Overall dimensions | 10* 10*2.5 mm | - |
| Antenna interface | Stamp hole/IPEX | The equivalent impedance is about 50 ohms |
| mainly parameters | Performance | Notes | |
| Min | Max | ||
| Power Supply Voltage（V） | 0 | 3.7 | Permanently burn module over 3.7V |
| Blocking power（dBm） | - | 10 | At close range, the burn probability is low |
| Operating temperature（°C） | -40 | 85 | - |
| Product net weight | 0.5g士0.02g | Product net weight | |
| mainly parameters | Performance | Notes | |||
| Min | Typical | Max | |||
| Power Supply Voltage（V） | 1.8 | 3.3 | 3.7 | ≥3.3V Can ensure the output power | |
| communication level（V） | - | 3.3 | - | Using 5V TTL may burn out | |
| Working temperature（°C） | -40 | - | 85 | Industrial grade design | |
| Working frequency band（GHz） | 850 | 868/915 | 930 | Support ISM Frequecy | |
| Power consumption | Emission current（mA） | - | 119 | - | instantaneous power consumption |
| Receives the current（mA） | - | 6.8 | - | - | |
| Sleep current（μA） | - | 2 | - | software shut off | |
| Maximum transmitted power（dBm） | 21.4 | 21.5 | 22.3 | - | |
| Sensitivity of reception（dBm） | -144 | -146 | -147 | air rate is 0.3kbps | |
| air rate（bps） | 0.6k | - | 300k | User programming control | |
| 0.018k | 62.5k | User programming control | |||
| Pin number | Pin name | Pin direction | Pin purposes |
| 1 | VCC | - | Power supply, range 1.8V~3.7V (external ceramic filter capacitor is recommended) |
| 2 | GND | - | Ground wire, connected to the power reference ground |
| 3 | NRST | input | Chip reset triggers input pin, active low level |
| 4 | NC | - | - |
| 5 | NC | - | - |
| 6 | ANT | - | Radio frequency interface, stamp hole |
| 7 | GND | - | Ground wire, connected to the power reference ground |
| 8 | NC | - | - |
| 9 | TXEN | input | Rf switch transmitting control pin, connected to external |
| 10 | RXEN | input | Rf switch receiving control pin, connected to external |
| 11 | BUSY | output | Used for status indication |
| 12 | MIS0 | output | SPI data output pin |
| 13 | M0SI | input | SPI data input pin |
| 14 | NSS | input | The module chip selection pin is used to start an SPI |
| 15 | SCK | input | SPI clock input pin |
| 16 | GND | - | Ground wire, connected to the power reference ground |
| 17 | NC | - | - |
| 18 | DI03 | Input/output | Configurable universal I/O port |
| 19 | DIO2 | Input/output | Configurable universal I/O port |
| 20 | DI01 | Input/output | Configurable universal I/O port |
Product Descriptio
Development Testin
【3D Документация】E22-900MM22S(3D).pdf
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