E32-433T33D SX1278 433MHz 2W TTL wireless serial port module (UART)
[Chip solution]： SX1278
[Carrier frequency]： 410~441MHz
[Transmit power]： 33dBm
[Communication distance]：16km
[Product size]： 37*60*7.6mm
[Introduction]：E32-433T33D is a wireless serial port module (UART) based on SEMTECH's SX1276 RF chip. It has transparent mode, working in the 410~441MHz (default 433MHz), LoRa spread spectrum technology.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 410~441 MHz | Default: 433MHz |
| Transmitting power | 21~30 dBm | Default: 33dBm |
| Receiving sensitivity | -147 dBm | Air data rate: 0.3kbps |
| Air data rate | 0.3k~19.2kbps | Default: 2.4kbps |
| Test distance | 16km | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 2.4kbps |
| Hardware Parameter | Value | Remark |
|---|---|---|
| Size | 37*60*7.6mm | - |
| Antenna type | SMA-K | 50 ohm impedance |
| Communication interface | UART | TTL |
| Package | DIP | |
| Buffer | 512 bytes buffer | - |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 3.3 | 5.0 | 5.5 | V | ≥5.0 V ensures output power |
| Communication level | - | 3.3 | - | V | For 5V TTL, it may be at risk ofburning down |
| Transmitting current | 850 | 1000 | 1200 | mA | Instant power consumption |
| Receiving current | 11 | 13 | 15 | mA | - |
| Turn-off current | - | 2 | - | μA | Software is shut down |
| Operating temperature | -40 | - | +85 | ℃ | |
| Max Tx power | 32 | 33 | 34 | dBm | - |
| Air data rate | 0.3k | 2.4k | 19.2k | bps | Controlled via user’s programming |