The BTM510/511 is a low-power Bluetooth® module from Laird designed for integrating robust audio and voice capabilities to OEM devices. Based on the market-leading Cambridge Silicon Radio BC05 chipset, these modules provide exceptionally low power consumption with outstanding range. Supporting Bluetooth version 3.0 specification (enabled in firmware v22.2.5.0), these modules provide the important advantage of Simple Secure Pairing (SSP) that improves security and enhances easy use. BTM510/511 modules come standard with SBC, AAC and apt-X™ audio codec support for high quality stereo audio applications.  Available in BTM510 and BTM511 variants.

Where To Buy Online
Find A Distributor
Contact Information
Digi-Key Corporation +1-800-344-4539
Future Electronics +1 (514) 694-7710
Mouser Electronics +1-800-346-6873
Premier Wireless Solutions 650-230-1300
WAV (630) 818-1000
Specifications Similar products Features

The compact size of the modules makes them ideal for battery-powered or headset form factor audio and voice devices. With a 16-bit stereo codec and microphone inputs to support both stereo and mono applications, these modules also contain a fully, integrated Bluetooth-qualified stack along with SPP, HFP 1.5 (HFP 1.6 in firmware, HSP, AVRCP (AVRCP 1.5 in firmware, and A2DP profiles.

The BTM510 modules include an embedded 32-bit, 64-MIPS DSP core within the BC05. This allows designers to add significant product enhancements including features such as echo cancellation, noise reduction, and audio enhancement using additional soft codecs. The availability of the 16 MB of flash memory in the module allows complex functionality to be supported.

• Fully featured Bluetooth multimedia chipset

• Bluetooth v2.1+EDR

• Supports mono and stereo headset applications

• apt-X Audio Codec provided free of charge

• Adaptive frequency hopping to cope with interference from other wireless devices

• 32-bit Kalimba DSP for enhanced audio applications

• Support for secure simple pairing

• External or internal antenna options

• HSP, HFP, SPP A2DP, and AVRCP audio profiles

• 16-bit stereo codec and microphone input

• AptX, AAC and SBC codecs supported

• CVC audio enhancement supported

• EIR fully supported

Industrial temperature range

• Integrated audio amplifiers for driving stereo speaker

• Comprehensive AT interface for simple programming

• Bluetooth End Product qualified

• Compact size

• Class 2 output – 4 dBm

• Low power operation

• WLAN co-existence hardware support

Datasheets Documentation Certifications Software Downloads

Why the BTM51X?


The BTM51x series' new firmware introduces Bluetooth version 3.0, as well as major enhancements to Bluetooth profiles and power saving.


Embedded Wireless Support Center


The support center provides links to documentation, software, articles and more...

Go to support

Hide Me