性爱图亚洲色图,色婷婷色综合缴情在线,啪啪网址导航,国产盗摄私密推油视频,日韩色色视频,国产在线高清精品一区二区三区

Wireless smart speaker

Wireless intelligent speaker is a wireless intelligent speaker developed by our company for industrial Internet of Things application scenarios. Supports wireless voice broadcasting and MP3 playback functions. With the cooperation of LoRa self-organizing network host (HTTP/MQTT) or USB to LoRa gateway (AT command), users can quickly generate their own wireless application solutions.

安燈系統(tǒng)

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

  1. Industrial grade reliability

  2. Various sizes, various models

  3. LoRa spread spectrum communication, super anti-interference ability

  4. Ultra-long distance control, effective communication distance in factory environment is 1000m (SF7)

  5. Typical transmit power 17dBm

  6. Receiving sensitivity-140dBm@SF12,BW=125kHz

  7. Support LoRa ad hoc network host wireless networking application

  8. Support multiple speakers to broadcast simultaneously

  9. 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