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Serial Port Bluetooth APTX Module

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Serial Port Bluetooth APTX Module

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Large Image :  Serial Port Bluetooth APTX Module Get Best Price

Product Details:
Place of Origin: China
Brand Name: Rayson
Model Number: BTM645
Payment & Shipping Terms:
Minimum Order Quantity: 500~1K
Packaging Details: Reel/Tray/Carton
Delivery Time: 7 working days after payment for samples, 8w for MP orders
Payment Terms: T/T, L/C, Check
Supply Ability: 5~10k/day
Detailed Product Description
High Light:

Low Energy module


serial flash Module

Serial Port Bluetooth APTX Module



Product Description


This is a Bluetooth Class 2 (max 4dBm) module. It is based on CSR 8645 ROM version chip 

set which supports Bluetooth V3.0 standard and CSR APTX audio streaming. The APTX feature 

provide high quality audio streaming compared to traditional SBC coding. Its latency time is as

 low as 75ms which is sufficient for most of the multimedia applications. The Embedded Kalimba

 DSP Co-Processor also support the advanced features such as echo cancellation, noise reduction ,

and stereo audio (A2DP profile) communications. Advanced user interface design allows multipoint 

HFP or A2DP connections and secure simple pairing. The integrated stereo DAC provide high quality

 audio performance with SNR up to 95dB. Support digital audio bus such as PCM, I2S or SPDIF. 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 

and EEPROM enable the flexibilities of the module to meet various kinds of applications.      



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

Product Specification



13.4 x 13.4 x 2.7 mm (8M SPI Flash for voice prompts)

13.4 x 13.4 x 1.9 mm (EEPROM)

Bluetooth Standard

Bluetooth 3.0

RF Power

4dBm maximum

Receiving Sensitivity


Program Memory

ROM version

Physical Interfaces

Digital PIOs, Analogue IOs,

Supply Voltage

2.7V – 4.25V


Product Benefits

  • Cost effective ROM version.
  • Not required for initial technology transfer fee of APTX.
  • Simple design and easy to use.
  • Flexible configurations for various kinds of applications

Contact Details
China Professional Online Marketplace

Tel: +86-755-29858730~305

Send your inquiry directly to us