[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 | 
    
    
    
    
    
    
    
    
    















