[Power]:20dBm
[Distance]:3.0km
[Interface]:RS232/RS485
[Weight]:130±5g
[Introduction]:E90-DTU is a wireless data transceiver with the function of digital data processing,digital modulation and demodulation,FEC,balanced soft decision,etc.It provides transparent RS232/RS485 interface,different with the analog FM transceiver plus MODEM analog digital transceiver.
RF Parameter | Value | Remark |
---|---|---|
Working frequency | 410~441 MHz | Default: 433MHz |
Transmitting power | 20 dBm | About 100mW |
Air data rate | 2.4k~19.2kbps | Default: 2.4kbps |
Test distance | 3000 meters | 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 | Without SMA-K |
Antenna type | SMA-K | - |
Communication interface | RS232 / RS485 | Standard DB9 Hole / 3.81 connecting terminal |
Baud rate | 9600 | Baud rate: 1200~115200 |
Buffer | 512 bytes buffer | Automatically sub-packaging with 197 bytes per package |
Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
---|---|---|---|---|---|
Power supply | 8 | 12 | 28 | V | - |
Transmitting current | 330 | 367 | 403 | mA | 20dBm(100mW) |
Stand-by current | 19 | 21 | 23 | mA | - |
Operating temperature | -40 | 20 | +85 | ℃ | - |
Operating humidity | 10 | 60 | 90 | % | - |
Storage temperature | -40 | 20 | +125 | ℃ | - |