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DSD TECH Manuals & User Guides

DSD TECH specializes in reliable serial communication equipment, offering high-quality USB adapters, Bluetooth modules, and electronic connectivity solutions.

Tip: include the full model number printed on your DSD TECH label for the best match.

DSD TECH manuals

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DSD TECH manuals from online retailers

DSD TECH HM-20 Bluetooth 5.3 BLE Module User Manual

HM-20 • అక్టోబర్ 28, 2025
Comprehensive instruction manual for the DSD TECH HM-20 Bluetooth 5.3 BLE Module, covering specifications, setup, operation, and support for iPhone and Android devices.