E32-433T33S SX1278 433MHz 2W TTL wireless serial port module (UART) LoRa spread spectrum technology
[Chip solution]： SX1278
[Carrier frequency]：410~441MHz
[Transmit power]： 33dBm
[Communication distance]： 16km
[Product size]： 25*40.5mm
[Introduction]：E32-433T33S is a wireless serial port module (UART) based on SEMTECH's SX1278 RF chip. It has multiple transmission modes, working in the 410MHz~441MHz, (default 433MHz), LoRa spread spectrum technology.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 410~441 MHz | Default: 433MHz |
| Transmitting power | 32~34 dBm | - |
| Receiving sensitivity | -147 dBm | Air data rate: 2.4kbps |
| Air data rate | 0.3k~19.2kbps | Default: 2.4kbps |
| Test distance | 16km | 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 | 25 * 40.3 mm | |
| Antenna type | IPX/Stamp hole | |
| Communication interface | TTL | @3.3V |
| Package | SMD | |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 3.3 | 5.0 | 5.5 | V | |
| Communication level | - | 3.3 | - | V | |
| Transmitting current | 850 | 1000 | 1200 | mA | Instant power consumption |
| Receiving current | 11 | 13 | 15 | mA | |
| Sleep current | - | 2 | - | μA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ | |