Ebyte AX5243 UART 2.1Km Low Frequency High Diffraction 433MHz 17dBm DIP LoRa Wireless Transmitter RF Module
[IC]：AX5243
[Frequency]：425~450.5MHz
[Power]：7~17dBm
[Distance]：2.1km
[Interface]：UART
[Weight]：6.8±0.1g
[Introduction]：E31-433T17D is a wireless transceiver module based on AX5243 from AXSEM(can be transmitter and receiver).The module uses FEC (forward error correction) algorithm,which greatly improve the anti-interference ability.
| RF Parameter | Value | Remark |
| Working frequency | 425~450.5 MHz | Default: 433MHz |
| Transmitting power | 7~17 dBm | Default: 17dBm（About 50mW） |
| Receiving sensitivity | -126 dBm | Air data rate: 1.2kbps |
| Air data rate | 1.2k~70kbps | Default: 1.2kbps |
| Test distance | 2000m | In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 2.4kbps |
| Hardware Parameter | Value | Remark |
Size | 21 * 36 mm | Without SMA |
Antenna type | SMA-K | |
Communication interface | UART | Baud rate: 1200~115200, default: 9600 |
Package | DIP | |
Buffer | 512 bytes buffer | Automatically sub-packaging with 43 bytes per package |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply | 2.3 | 5.0 | 5.2 | V | |
| Communication level | 2.5 | 3.3 | 3.6 | V | |
| Transmitting current | 64 | 70 | 77 | mA | 17dBm（50mW） |
| Receiving current | 12 | 13 | 14 | mA | |
| Sleep current | 3 | 4 | 5 | μA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |