BTM511 and BTM521 Modules

Embedded modules ideal for adding high quality Bluetooth® audio

Laird Technologies - Wireless M2M announces the release of its enhanced Bluetooth® BTM511 and BTM521 wireless stereo audio modules with new firmware update.

The BTM511 is a low-power Bluetooth® module designed for adding robust audio and voice capabilities. Based on the market-leading Cambridge Silicon Radio BC05 chipset, this module provides exceptionally low power consumption with outstanding range. Supporting the latest Bluetooth Version 2.1+EDR specification, these modules provide the important advantage of secure simple pairing that improves security and its ease of use. The BTM511 contains an onboard digital signal processor and supports CSR's high quality apt-X audio codec for wire quality sound via a Bluetooth connection.

The BTM521 is the most advanced low-power, multimedia Bluetooth® module available in the marketplace. Designed to meet the needs of developers requiring the ultimate Bluetooth audio performance and flexibility, this module includes everything required for a fully qualified and functional Bluetooth multimedia application.

  • Bluetooth v2.1+EDR
  • Compact size
  • Support for secure simple pairing
  • External or internal antenna options
  • HSP, HFP, A2DP, and AVRCP audio profiles
  • 16-bit stereo codec and microphone input
  • Integrated audio amplifiers for driving stereo speaker
  • Comprehensive AT interface for simple programming
  • Bluetooth End product qualified
  • Wi-Fi co-existence hardware support
  • Adaptive frequency hopping to cope with interference
    from other wireless devices
  • High quality stereo headsets
  • Hands-free devices
  • Wireless audio cable replacement
  • MP3 and music players
  • Phone accessories
  • VoIP products
  • Aftermarket automotive applications

BTM511 and BTM521 Modules

Manufacturer Part Number Description Available Quantity Datasheets