[IC]:SX1278
[Frequency]:410~441MHz
[Power]:10~20dBm
[Distance]:3.0km
[Interface]:UART
[Introduction]:E32-433T20DT is a wireless transceiver module based on SX1278 from SEMTECH(can be transmitter and receiver both). It adopts LoRa spread spectrum technology, with this technology the transmitting distance and penetration ability of the module improved more than 1 times compared with traditional FSK.
RF Parameter | Value | Remark |
---|---|---|
Working frequency | 410~441 MHz | Default: 433MHz |
Transmitting power | 10~20 dBm | Default: 20dBm(About 100mW) |
Receiving sensitivity | -146 dBm | Air data rate is 2.4kbps |
Air data rate | 0.3k~19.2kbps | Default: 2.4kbps |
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 | Without SMA |
Antenna type | SMA-K | 50 ohm impedance |
Communication interface | UART | Baud rate: 1200~115200, default: 9600 |
Package | DIP | - |
Buffer | 512 bytes buffer | Automatically sub-packaging with 58 bytes per package |
Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
---|---|---|---|---|---|
Power supply | 3.3 | 5.0 | 5.2 | V | ≥5.0 V ensures output power |
Communication level | - | 3.3 | - | V | For 5V TTL, it may be at risk of burning down |
Transmitting current | 106 | - | mA | Instant power consumption | |
Receiving current | - | 15 | - | mA | - |
Sleep current | - | 4 | - | μA | Software is shut down |
Operating temperature | -40 | 20 | +85 | ℃ | Industrial design |
Operating humidity | 10 | 60 | 90 | % | - |
Storage temperature | -40 | 20 | +125 | ℃ | - |