EBTYE OEM/ODM SX1278 433Mhz UART Wireless lora module
[IC]：SX1278
[Frequency]：410~441MHz
[Power]：19~20dBm
[Distance]：3.0km
[Interface]：UART
[Introduction]：E32-433T20D is a wireless serial port module based on Semtech's SX1278 RF chip Block (TTL level), transparent transmission mode, working in the 410-441MHz frequency band (default 433MHz), using LoRa spread spectrum technology.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 410~441 MHz | Default: 433MHz |
| Transmitting power | 19~20 dBm | - |
| Receiving sensitivity | -144~147 dBm | Air data rate: 2.4kbps |
| Air data rate | 0.3k~19.2kbps | - |
| Test distance | 3000 meter | In open and clear air, with maximum power, 5dBi antenna gain, height of 2.5m,air data rate: 2.4kbps |
| Hardware Parameter | Value | Remark |
|---|---|---|
| Size | 21 * 36 mm | |
| Antenna type | SMA-K | Characteristic impedance about 50Ω |
| Communication interface | UART | TTL level |
| Package | In-line | |
| Buffer | 512 bytes buffer |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 2.3 | 5.0 | 5.5 | V | ≥3.3V can guarantee output power |
| Communication level | - | 3.3 | - | V | Risk of burnout with 5V TTL |
| Transmitting current | - | 110 | - | mA | Instantaneous power consumption |
| Receiving current | - | 14 | - | mA | |
| Sleep current | - | 4 | - | μA | software shutdown |