Wireless smart speaker
Product Description
The
wireless smart speaker is a wireless smart speaker developed by our
company for industrial Internet of Things application scenarios. Supports wireless voice broadcast and MP3 playback functions. With
the LoRa ad hoc network host (HTTP/MQTT) or USB to LoRa gateway (AT
command), users can quickly generate their own wireless application
solutions.
Product Features
Industrial grade reliability
Various sizes, various models
LoRa spread spectrum communication, super anti-interference ability
Ultra-long distance control, effective communication distance in factory environment is 1000m (SF7)
Typical transmit power 17dBm
Receiving sensitivity-140dBm@SF12,BW=125kHz
Support LoRa ad hoc network host wireless networking application
Support multiple speakers to broadcast simultaneously
Support Chinese and English broadcasting
Product Parameters
Structural parameters | composition | Wireless voice controller + industrial speaker |
color | White |
Broadcasting method | Voice broadcast and MP3 playback |
LoRa Wireless parameters | RF channel | Single channel uplink and downlink, half duplex |
working frequency | 470MHz , configurable |
Modulation | LoRa spread spectrum communication |
Transmit power | Default 17dBm |
Transmission rate | 250bps ~ 5.5Kbps |
Receive sensitivity | -140dBm , sensitivity depends on spreading factor |
Transmission distance | Visual communication 5Km, factory environment 1000m |
Networking method | LoRa | SMA LoRa Antenna |
Networking method | Cluster networking | With the LoRa ad hoc network host, it can be clustered into a network, supporting hundreds of levels. |
Point-to-point networking | With USB to LoRa gateway, point-to-point or point-to-multipoint networking is possible, supporting dozens of nodes. |
input interface |
| none |
response delay |
| 100 milliseconds |
power supply |
| Supports 12V/24V/36V multiple voltage DC power supply |