E22-400T30E 10km long distance wireless transmission module lora receiver relay controller module
[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 & RF Specification | Technical Parameter Value | Engineering Design Notes |
|---|---|---|
| Working Frequency Band | 410.125 to 493.125 MHz | Default frequency: 433.125 MHz, supports ISM band channel assignment. |
| Maximum Transmit Power | 30 dBm | Approx. 1W instantaneous power output. Requires adequate VCC stability. |
| Receiving Sensitivity | -147 dbm | Measured at ultra-low air data rate configurations (2.4 kbps). |
| Programmable Air Rate | 2.4k to 62.5 kbps | Configurable via user software programming control for range optimization. |
| Measured Link Distance | 10 km | Tested in clear/open environment, 5dBi antenna gain, 2.5m antenna height. |
| Supply Voltage Range | 3.2V to 5.5V DC | VCC >= 5.0V mandatory for full 30dBm output. Voltages above 5.5V burn hardware. |
| Communication Level | 3.3V TTL (5V Compatible) | Compatible with 3.3V and 5V IO port voltages directly. |
| Emission Current | 650 mA (Typical) | Instantaneous power consumption during TX phase. |
| Quiescent Current Parameters | 17 mA (RX Mode) / 1.5 mA (Sleep) | Sleep state configured via software shutdown command control. |
| Physical Dimensions & Form | 30 x 51 mm / In-line Pin Packaging | Net product weight: 7.7g. Connects via 1st generation IPEX (50 Ohm). |
| Operating Temperature | -40 to +85 degrees Celsius | Industrial-grade implementation for harsh environmental field deployments. |
| 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 |
