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Bluetooth BCM20771 Rom module for Audio application---BTM-540-1

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Address: 1F, No.9, R&DⅡ, Science-Based Industrial Park, Hsin-Chu 300 Taiwan, R,O.C

Email: amy.tian@zealoong.com

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Bluetooth BCM20771 Rom module for Audio application---BTM-540-1

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Bluetooth BCM20771 Rom module for Audio application---BTM-540-1
Product Details:
Place of Origin: China
Brand Name: Rayson
Certification: BQB
Model Number: BTM-540
Payment & Shipping Terms:
Minimum Order Quantity: 1,000PCS
Price: USD4~5
Packaging Details: Tray or Reel
Delivery Time: Samples: 1week, MP order: 3~6weeks
Payment Terms: TBD
Supply Ability: 300~500K/month
Minimum Order Quantity: 1000pcs


Product Description

This is a Bluetooth Class2 (max 4dBm) module. It is based on Broadcom BCM20771ROM version chip set which supports Bluetooth V3.0 standard which adding enhanced power control, simple and secure pairing. It also deliver enhanced audio quality, reducing charging time, A2DP and multipoint connections through the integration of various noise suppression technologies., circuitry and application profiles such as A2DP1.2, AVRCP1.4. The configurable seven-band speaker equalization as well as ten presets allowing multiple music genres listening. The integrated stereo DAC provide high quality audio performance with SNR up to 96dB with 44.1 and 48 KHz sampling rate for high-fidelity playback. Thank to its low power consumption design, only 15mA@3.3V during operation. And the on chip Switched-Mode Regulator and Li-ion battery charger eliminate the needs of external components and costs. The true single chip solution to audio applications. Internal ROM, serial flash enable the flexibilities of the module to meet various kinds of applications. Configurable multi-languages voice prompts allows fancy product design.



  • High quality wireless stereo headset.
  • High quality wireless stereo speaker.
  • Hands-free car kits.
  • VOIP or land line phones wireless headsets.


Product Benefits

  • Very low cost ROM version
  • Simple design and easy to use.
  • Flexible configurations for various kinds of applications


Product Specification  



14 x 2.0 x 3 mm (4M SPI Flash for voice prompts)

Bluetooth Standard

Bluetooth 3.0

RF Power

4dBm maximum

Receiving Sensitivity


Program Memory

ROM version

Physical Interfaces

Analogue IOs,

Supply Voltage

3.1V – 4.25V



BTM540 DataSheet v 01-120907.pdf
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  • 1F, No.9, R&DⅡ, Science-Based Industrial Park, Hsin-Chu 300 Taiwan, R,O.C
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