E32-DTU (868L20) Ebyte long range SX1276 LoRa 868mhz radio modem wireless data transceiver of 868M with standard RS232/RS485 connectors
[Frequency]：862~893MHz
[Power]：100mW
[Distance]：3km
[Interface]：RS232/RS485
[Weight]：127±5g
[Introduction]： E32-DTU (868L20) is wireless data transceiver of 868M with standard RS232/RS485 connectors. They are half-duplex. TX & RX modems with LoRa technology and transparent transmission mode. Voltage supply ranges from 8V to 28V, Working frequency: 862~893MHz (Default:868MHz).
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 862~893 MHz | Default: 868MHz |
| Transmitting power | 30 dBm | About 1W |
| Receiving sensitivity | -147 dBm | Air data rate: 2.4kbps |
| Air data rate | 0.3k~9.6kbps | Default: 2.4kbps |
| Test distance | 8000 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 | 82 * 62 * 25 mm | |
| Antenna type | SMA-K | |
| Communication interface | RS232 / RS485 | Baud rate: 1200~115200, default: 9600 |
| Package | DB-9 / Screwing | Standard DB9 Hole/3.81 connecting terminal |
| Buffer | 512 bytes buffer | Automatically sub-packaging with 58 bytes per package |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition | |
|---|---|---|---|---|---|---|
| Power supply | 10 | 12 | 28 | V | ||
| Transmitting current | 628 | 698 | 760 | mA | 30dBm（1W） | |
| stand-by current | 35 | 39 | 43 | mA | ||
| Operating temperature | -40 | 20 | +85 | ℃ | ||
| Operating humidity | 10 | 60 | 90 | % | ||
| Storage temperatur-40 | 20 | +125 | ℃ |