FSC-BT909 bluetooth module use in a new audio intercom solution. It is apply to a control room of ship .
The transmission range only need 10m .The bluetooth module use in the audio intercom device.
The people in the control room will use headphone talk to the right pepple.it is similar as intercom systme/walkie talkie .As it is just need 10m range ,so this solution only via bluetooth .
Actually FSC-BT909 it is a class 1 long range module ,the transmission range can reach 100m .
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