[Introduction]：E32-400M20S is a self-developed, 433/470MHz LoRa TM SMD wireless module with the maximum transmission power of 1W which is based on the SX1278 produced by Semtech in the United States.
Brand Name:EBYTE
Origin:Mainland China
Condition:New
Type:Drive IC
Model Number:E32-400M20S
Operating Temperature:-40℃-85℃
Package:SMD
Type:SX1278 LoRa Wireless Module
Power supply voltage:Max:3.6V
Blocking power:Max:10dBm
Communication level:Typ3.3
Antenna:IPEX/Stamp Hole
Size:14*20 mm
| Main parameter | Description |
Remark |
| Reference distance |
5km |
Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2m，air data rate: 2.4 kbps |
| FIFO |
256Byte |
Maximum length of single send |
| Crystal Oscillator |
32MHz |
|
| Protocol |
LoRaTM(recommended) |
FSK/GFSK/MSK/GMSK/OOK |
| Package |
SMD |
|
| Interface |
1.27mm |
Sample hole |
| Communication interface |
SPI |
0～10Mbps |
| Size |
14 * 20 mm |
- |
| Antenna |
Sample hole / IPEX |
50 ohm impedance |
| Main parameter | Min | Type | Max | Unit | Remark |
| Operating voltage |
1.8 |
3.3 | 3.6 | V | ≥5.5 V ensures output power |
| Communication level |
- | 3.3 |
- | V |
- |
| Operating temperature |
-40 |
- | +85 |
℃ |
Industrial grade |
| Operating frequency |
410 |
- | 493 |
MHz |
- |
| TX current |
- | 110 | - | mA |
- |
| RX current |
- | 17 |
- | mA |
- |
| Sleep current |
- | 2 | - | μA |
- |
| Max TX power |
- | 20 | - | dBm |
- |
| Receiving sensitivity |
-145 |
-147 |
-148 |
dBm |
Air data rate is 1.2 kbps |
