Bluetooth® 5 Dual Mode Multimedia Module – LM746 - LM Technologies

Bluetooth® 5 Dual Mode Programmable Module – LM746

The LM746 Bluetooth® Dual Mode audio module is an extremely versatile and cost effective solution.

Enabling audio data to be wirelessly communicated between audio devices using a Bluetooth® v2.0, v2.1 and Bluetooth® v4.0, v4.1, (or 5 compliant) connection. It’s sound enhancement features, makes it a perfect fit within your premium audio device.

The sound enhancement features includes CSR’s aptX® audio technology. Providing CD-like quality over a Bluetooth® connection. And CSR’s cVc audio technology for noise cancellation.

Perfectly suited to wireless headphones, speakers and hand-free headsets. This standalone module allows the developer to connect a microphone, speakers, capacitive touch sensors and other I/O devices.

Running the user application without using an external MCU. LM offer application support to the developer and can create new user applications for the module.

Your developed user application and settings can be preloaded to the LM746, simplifying the manufacturing and testing process. It’s SMT side and bottom pads allows for easy integrations into your embedded system.

Typical Applications

Wireless headphones and speakers
Hand-free headsets
Automotive infotainment systems
Home entertainment devices
Audio adapters


Application Firmware Support
aptX® codec (including support for SCMS-T) and Faststream codec
CSR’s cVc noise-cancellation technology
Integrated 16-bit Stereo Audio CODEC
SBC, MP3 and AAC decoder
6 Capacitive touch sensor input interfaces
Microphone input and Speaker output interfaces



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