[Carrier frequency]： 410~441MHz
[Transmit power]： 33dBm
[Communication distance]：16km
[Product weight]：25.8±0.5g
[Product size]： 37*60*7.6mm
[Introduction]：E32-433T33D is a wireless serial port module (UART) based on SEMTECH's LoRa solution. With transparent mode, working at 410~441MHz (default 433MHz), LoRa spread spectrum technology.
Official StoreRF 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 | 2.4k~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 | 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 |