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Amazon.com: DSD TECH SH-B23A Bluetooth 2.0 to RS232 Serial Adapter with DB9 Converter : Electronics
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Amazon.com: DSD TECH SH-B35 RS485 RS232 to Bluetooth 2.0 Adapter Support Android and Windows : Electronics
Amazon.com: HiLetgo HC-06 RS232 4 Pin Wireless Bluetooth Serial RF Transceiver Module Bi-Directional Serial Channel Slave Mode for Arduino : Electronics
Amazon.com: HC-05 Wireless Bluetooth Receiver RF Transceiver Module Serial Port Transmitter Module : Electronics
Amazon.com: WITMOTION USB-UART 6-in-1 USB to Serial Converter, Multifunctional (USB to TTL/RS485/232, TTL-RS232/485, 232 to 485), Universal Adapter Module with CP2102 Compatible with Windows 7/8/10,Linux, Arduino : Electronics
![Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics](https://m.media-amazon.com/images/I/81Mdvlhpb9L.jpg "Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics")
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Amazon.com: 5PCS HC-06 RS232 Wireless Bluetooth Serial Port 4 Pin RF Transceiver Board Module Bi-Directional Serial Support Slave and Master Mode : Electronics
Amazon.com: Solu Hc-06 Bluetooth to Uart Converter COM Serial Communication Slave Mode/ Wireless Bluetooth Transceiver Module Slave 4pin Serial + Dupont Cable for Arduino/ 4pin Serial Arduino Wireless Bluetooth Receiver Module Hc-06
Amazon.com: FlooGoo FMA100 Bluetooth 5.2 Adapter, Works with iPad, use Apple Pencil with Windows, Barcode Scanner, External GPS, Copy-Paste Between iOS and Windows. Serial Bluetooth Adapter. : Electronics
Amazon.com: DSD TECH SH-B23A Bluetooth 2.0 to RS232 Serial Adapter with DB9 Converter : Electronics
Amazon.com: StarTech.com Bluetooth Adapter - Mini Bluetooth 4.0 USB Adapter - 50m/165ft Wireless Bluetooth Dongle - Smart Ready LE+EDR (USBBT1EDR4),Black : Everything Else
Amazon.com: DSD TECH SH-B23A Bluetooth 2.0 to RS232 Serial Adapter with DB9 Converter : Electronics
Amazon.com: ACEIRMC 4pcs HC-06 RS232 4 Pin Wireless Bluetooth Serial RF Transceiver Module Bi-Directional Serial Channel Slave Mode for Arduino : Electronics
Amazon.com: Sena SD1000 Long Range Bluetooth Serial Adapter : Electronics
Amazon.com: Sena SD1000 Long Range Bluetooth Serial Adapter : Electronics
Amazon.com: Bluetooth Module UART RS232 Serial Converter HC-05 Wireless Transceiver Module Wireless Serial Port Communication BT Module : Electronics
Amazon.com: DSD TECH SH-S10B USB to Serial RS232 DB9 Adapter with Pl2303GT for Windows 10 8 7 Liunx Mac OS : Electronics
Amazon.com: Sena SD1000 Long Range Bluetooth Serial Adapter : Electronics
Amazon.com: Renogy Bluetooth Module RJ12 Communication Port Compatible Rover/Wanderer/Adventurer Charge Controllers, BT-1 RS232 : Everything Else
Mettler Toledo 30086494 Bluetooth® Single Adapter; RS232: Amazon.com: Industrial & Scientific
