DSD TECH HC-05 Bluetooth Serial Pass-Through Module Wireless Serial Communication With Button For Arduino

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Wireless Rs232 Bluetooth Serial Adapter Wireless

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Bluetooth 4.2 Wireless 4.0 BLE Through Transmission Integrated Serial Port

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Bluetooth Serial Adapter Parani-SD1000-00 V2+EDR SSP Class1 DB9 Female 921.6Kbps

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New Shuimuxing BT5701 Serial Bluetooth Adapter For Total Station Switch

Wireless Serial 4 Pin Bluetooth RF Transceiver Board Module HC-06 RS232 With Bac