[Interface type]:RS232
[Working frequency]: 410~441MHz
[Transmitting power]: 1W
[Communication distance]:8km
[Product size]:66*66*21mm
[Product weight]:79±4.5g
[Introduction]:E800-DTU is a wireless data transmission radio that uses digital signal processing, digital modulation and demodulation, and has functions such as forward error correction and equalization soft decision. Difference from analog FM radio plus MODEM analog digital radio, RS232 interface.
RF parameters | Parameter value | Remark |
Working frequency | 410~441 MHz | Factory default 433MHz |
Transmit power | 21~30 dBm | Factory default 30dBm, about 1W |
Air speed | 0.3kbps ~ 19.2kbps | Factory default 2.4kbps |
reference distance | 8 km | - |
Hardware parameters | Parameter value | Remark |
Size | 66 * 66 * 21mm | - |
Antenna form | SMA-K | - |
Communication Interface | RS232 | Standard DB9 hole type/3.81 terminal block |
baud rate | Factory default 9600 | Baud rate range 1200~115200 |
cache capacity | 512byte | Automatically subpackage and send 197 bytes |
Electrical parameters | Minimum value | Typical value | Maximum value | Unit | Condition |
voltage | 8 | 12 | 28 | V | - |
Emission current | 279 | 310 | 341 | mA | 30dBm(1W) |
Waiting for current | 18 | 20 | 22 | mA | - |
Operating temperature | -40 | 20 | 85 | ℃ | - |
Working humidity | 10 | 60 | 90 | % | - |
Storage temperature | -40 | 20 | 125 | ℃ | - |