Характеристики
E90-DTU-230N37 RS232 RS485 Wireless Transceiver 230MHz 5W Long Distance 15km Narrowband 230 MHz Transceiver Radio Modem
| RF Parameter | Value | Remark |
| Working frequency | 225~237.6 MHz |
Default: 230MHz |
| Transmitting power | 27 dBm |
About 500mW |
| Air data rate | 1.2k~70kbps |
Default: 1.2kbps |
| Test distance | 5000 meter |
In open and clear air, with maximum power, 5dBi antenna gain, height of 2m. |
| 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 186 bytes per package |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply | 10 | 12 | 28 | V | |
| Transmitting current | 147 | 163 | 179 | mA | 27dBm（500mW） |
| Stand-by current | 15 | 17 | 19 | mA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
|
Operating humidity |
10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |
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