E22-400T33D LoRa solution RF chip Wireless Serial Port Module new generation of LoRa wireless module
[Frequency]：410.125~493.125MHz
[Power]：33dBm
[Distance]：16km
[Product weight]：25.9±0.1g
[Size]：37*60*7.6mm
[Introduction]：E22-400T33D is a new generation of LoRa wireless module. It is a wireless serial port module (UART) based on the SEMTECH LoRa solution. It has various transmission methods. Level output, supports 3.3V-5.5V power supply voltage.
Official Store| RF parameters | Parameter value | Remark |
| Operating frequency band | 410.125~493.125MHz | Supports ISM band |
| Transmit power | 33 dBm | - |
| Receiver sensitivity | -134±1.0dbm | Air speed 2.4kbps |
| air speed | 2.4k~62.5kbps | - |
| Measured distance | 16,000 meters | Clear and open terrain, antenna gain 5dBi, antenna height 2.5 meters , air speed 2.4kbps |
| Hardware parameters | Parameter value | Remark |
| Size | 37*60*7.6mm | - |
| Antenna Interface | Senior High School | Equivalent impedance approximately 50Ω |
| Communication interface | UART | TTL level |
| Packaging method | direct plug | - |
| Electrical parameters | Minimum value | Typical value | Maximum value | unit | condition |
| power supply voltage | 3.3 | 5.0 | 5.5 | In | ≥4.7V guarantees output power |
| Communication level | - | 3.3 | - | In | Using 5V TTL carries a risk of burnout. |
| Emission current | 850 | 1000 | 1200 | m.a. | Instantaneous power consumption |
| Received current | 11 | 13 | 15 | m.a. | - |
| Dormant current | - | 2.0 | - | a | Software shutdown |
| operating temperature | -40 | 20 | +85 | ℃ | - |