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100m Class 1 RS232 Bluetooth Serial Adapter Link for CNC Machines, PDA, Laptop, or Other Bluetooth Device - China Bluetooth Serial Adapter and RS232 Bluetooth Dongle price | Made-in-China.com
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Rs232 Bluetooth Serial Adapter Board Communication Master Slave 2 Modes 5v Mini Usb Bluetooth Serial Port Profile Module - Integrated Circuits - AliExpress
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