What is a bluetooth module
DB9 Interface Serial Port Bluetooth Module
Bluetooth module is refers to the integrated bluetooth chip, used for wireless communication network.
In the picture above, have USB interface bluetooth module is USB bluetooth card. Used for wireless Internet access.
BLUETOOTH wireless (BLUETOOTH), is 1998 roll out a new wireless transmission way, is actually replace data cable short-range wireless communication technology, through the low bandwidth waves realize point-to-point, or point-to-multipoint connections between the information exchange. This network model is also called private space network (PAN, PersonalAreaNetwork), is more micro network or delicate bluetooth the main controller/adnexal build mini web based, every small network of eight active device and 255 accessory device structure, and more micro network connection up and formed the expanding nets, and convenient, fast to realize the ?
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