This product is a wireless smart speaker developed by our company for industrial Internet of Things application scenarios. Supports wireless voice broadcast and MP3 player functions. With wireless SCADA AD hoc network host (HTTP/MQTT), users can quickly generate their own wireless application solutions.
Product features：
* Industrial reliability
* Various sizes and models
*LoRa spread spectrum communication, strong anti-interference
* Ultra distance control, factory environment effective communication distance 1000m (SF7)
* Typical transmission power 17dBm
* Reception sensitivity -140dBm@SF12,BW=125kHz
* Supports LoRa AD hoc host wireless networking applications
* Support multiple speakers synchronous broadcast
* Support broadcasting in Chinese and English
Structural parameter | composition | Wireless voice controller + industrial speaker |
color | white |
The way | Voice broadcast and MP3 player |
LoRa Wireless parameters | Radio frequency (rf) channel | Single channel upstream and downstream, half duplex |
Working frequency | 470MHz, configurable |
Modulation method | LoRa Spread spectrum communication |
Transmission power | The default 17 DBM |
Transmission rate | 250bps ~ 5.5Kbps |
Reception sensitivity | -140dBm，Sensitivity depends on the spread factor |
Transmission distance | Visual communication 5Km, factory environment 1000m |
wireless interface | LoRa | SMA LoRa The antenna |
Generally | The cluster network | Working with LoRa AD hoc networking Hosts can be networked in clusters, supporting hundreds of levels |
Point-to-point networking | Supports point-to-point networking or point-to-multipoint networking with the USB-to-LORA gateway |
The input interface |
| not have |
The response time delay |
| 100 milliseconds |
The power supply |
| Supports dc power supply of 12V, 24V, or 36V |
