E90-DTU(433C33) Ebyte 4km long range MODBUS 33dBm high power 433MHz wireless data transmitter and receiver
[Frequency]：425~450.5MHz
[Power]：33dBm
[Distance]：4.0km
[Interface]：RS232/RS485
[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 | 425~450.5 MHz | Default: 433MHz |
| Transmitting power | 33 dBm | About 2W |
| Air data rate | N/A | Self-adapted baud rate |
| Test distance | 4000 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 | Unlimited data input (baud rate≤57600) | Continuous transmission, no sub-package |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 8 | 12 | 28 | V | - |
| Transmitting current | - | 938 | - | mA | 33dBm（2W） |
| Stand-by current | - | 31 | - | mA | - |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |