[IC]:SX1278
[Frequency]:410~441MHz
[Power]:10~20dBm
[Distance]:3.0km
[Interface]:UART
[Weight]:1.7±0.1g
[Introduction]:E32-433T20S2T, based on SX1278 of SEMTECH, is a 100mW wireless transceiver module operating at 410 ~ 441MHz (default 433MHz) with LoRa spread-spectrum technology. It features FEC (Forward Error Correction) algorithm and data encryption & compression function.
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: 0.3kbps | |
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 2m,air data rate: 2.4kbps |
Hardware Parameter | Value | Remark |
---|---|---|
Size | 17 * 30 mm | |
Antenna type | IPEX/Spring | |
Communication interface | UART | Baud rate: 1200~115200, default: 9600 |
Package | SMD | |
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 | |
Communication level | 2.5 | 3.3 | 3.6 | V | |
Transmitting current | 100 | 110 | 120 | mA | 20dBm(100mW) |
Receiving current | 13 | 14 | 15 | mA | |
Sleep current | 3 | 4 | 5 | μA | |
Operating temperature | -40 | 20 | +85 | ℃ | |
Operating humidity | 10 | 60 | 90 | % | |
Storage temperature | -40 | 20 | +125 | ℃ |