[Size]:30 * 51 mm
[Communication distance]:10km
[Transmit power]:30dBm
[Product weight]:7.7±0.1g
[Frequency]:410.125~493.125MHz
[Introduction]:E22-400T30E is a new generation of LoRa wireless module. It is a wireless serial port module (UART) based on SEMTECH's LoRa solution. It has multiple transmission methods, works in the (410.125~493.125MHz) frequency band (default 433.125MHz), LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltage.
| Hardware parameter | Value | Remark |
| Dimensions | 30 * 51 mm | |
| Antenna form | 1st generation IPEX | Equivalent impedance is about 50Ω |
| Communication Interface | UART/RS485/RS232/USB | The communication interface only supports the simultaneous use of one |
| Packaging method | In-line |
| Electrical parameters | Min | Typ | Max | Unit | Remark |
| Voltage | 3.2 | 5.0 | 5.5 | V | ≥5.0V can guarantee the output power More than 5.5V permanently burns the module |
| Communication level | - | 3.3 | - | V | It is recommended to add level shifting when using 5V TTL. |
| Emission current | - | 650 | - | mA | Instantaneous power consumption |
| Receive current | - | 17 | - | mA | |
| Sleep current | - | 1.5 | - | mA | Software shutdown |
| Operating temperature | -40 | 20 | +85 | ℃ | Industrial grade design |
| Working humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |
| RF parameters | Value | Remark |
| working frequency | 410.125~493.125MHz | Support ISM band |
| Transmit power | 30 dBm | - |
| Acceptance sensitivity | -147dbm | Air rate 2.4 kbp |
| Air rate | 2.4k~62.5kbps | User programming control |
| Measured distance | 10km | Clear and open environment, antenna gain 5dBi,antenna height 2.5 meters, air rate 2.4kbps |