Csr Bc05 Bluetooth
Overview
Product sourcing insights & recommendations
The CSR BC05 (BlueCore5) chipset is a versatile Bluetooth solution that transitioned the industry from simple serial data transfer to high-quality multimedia and voice processing. While it is now a legacy technology compared to the latest Bluetooth 5.4 standards, it remains widely used in industrial, automotive, and high-fidelity audio applications due to its integrated Kalimba DSP and robust support for audio codecs like aptX.
Key findings regarding the product and market trends:
- Multimedia Focus: Unlike the simpler HC-05 (which uses the BC417/BlueCore4 chip), the BC05 is designed for stereo audio streaming (A2DP) and hands-free voice (HFP/HSP) with noise cancellation.
- Legacy Stability: The market for BC05 is currently driven by long-lifecycle products in the automotive and industrial sectors that require stable v2.1/v3.0 classic Bluetooth connections.
- Sourcing Caution: Many budget "HC-05" modules found on B2B platforms actually use older BlueCore4 technology; authentic BlueCore5 modules are typically sourced from specialist suppliers like Ezurio or Feasycom at a higher price point ($5–$18).
The attached report provides a detailed breakdown of technical specifications, a comparison with modern chipsets, and sourcing recommendations for current market conditions.
Based on the market trends, you might want to:
Csr Bc05 Bluecore5 Bluetooth Module
Products · 3 lists
Wholesale RF Wireless Transceiver Module RS232 TTL to UART converter and adapter HC-05 HC-06 Wireless serial port
Shenzhen Million Sunshine Technology Co., Limited🇨🇳CN12 yrs
XYCH RF-BM-2340A2I BLE 5.3 Multi-Protocol Zigbee Bluetooth 5.0 Master-Slave Integrated Serial Transparent Bluetooth Module
Hot Offer Blue-tooth Module BT5 Audio Pro with Micro Interface Chip PCB On-Board Antenna
Shenzhen Sinosky Electronics Co., Ltd.verified🇨🇳CN9 yrs
Feasycom QCC3034 Stereo Bluetooth 5.1 Low Energy Wireless Audio Transmitter Module support A2DP,AVRCP,HFP,HSP,SPP,GATT,HOGP,PBAP
Shenzhen Feasycom Co., Ltd.verified🇨🇳CN10 yrs
HC-05 HC-06 Master slave integrated Blue tooth module Wireless serial port transparent communication Blue tooth module
Shenzhen Shengtaixin Technology Co., Ltd.🇨🇳CN5 yrs
New Bluetooth Audio Receiver Board Bluetooth 5.0 MP3 Lossless Decoder Board Wireless Stereo Music Module 3.7-5V XY-BT-Mini
Shenzhen Sanrui Technology Co., Ltd.🇨🇳CN2 yrs
QCC5125 for Blue-tooth Audio Receiver Module for FSC-BT1026E for Blue-tooth Speaker High Performance Modules
Kelly Electronic Components (shenzhen) Co., Ltd.🇨🇳CN1 yr
BTM320 Bluetooth Audio Module QCC3020 Bluetooth 5.0 Audio Receive and Output Module
Shanghai Belite Technology Co., Ltd.🇨🇳CN7 yrs
HC-05 HC-06 to Serial Wireless Adapter Module Group CSR
Shenzhen Bluetech Technology Co., Ltd.verified🇨🇳CN8 yrs
Hot Sale Wireless Remote Control WKB5010 BLE5 Module
Guangdong Weila Intelligent Technology Co., Ltd.verified🇨🇳CN1 yr
Module CC2640R2F Blue Tooth Module Ble4.0 4.2 5.0 CC2640 Wireless Blue Tooth Serial Port Module HM-19
Shenzhen Dongxinda Technology Development Co., Ltd.🇨🇳CN7 yrs
Gcsy D1 V1.0.0-ESP32 Wireless Wifi Module Development Module CP2104 Receiver Csr8675 Blue Tooth Module
Shenzhen Guocanshengye Technology Co., Ltd.🇨🇳CN1 yr
CC2640R2F Blue Tooth Module Ble4.0 4.2 5.0 CC2640 Wireless Blue Tooth Serial Port Module HM-19
LY51M02 Wireless Bluetooths Module 5.0 Compatible BT CC2640R2L for Arduino
Shenzhen Keyes DIY Robot Co., Ltd.verified🇨🇳CN13 yrs
2.4G RF Wireless Blutooth Module HC05 HC-05 Blue tooth Module Transceiver With TTL Ouputs
HC-05 HC-06 integrated Blue-tooth module Wireless serial port transparent communication Blue tooth electronics module
Shenzhen TCT Electronics Co., Ltd.🇨🇳CN5 yrs
BK8000L Wireless Blue-tooth Stereo Audio Module
Shenzhen Xiongfa Weiye Electronics Co., Ltd.🇨🇳CN13 yrs
Peripheral Power Management Iot Control Module NRF52832 Ble Bluetooths Module BLE52832SA-A
Beijing Jiaan Electronics Technology Co., Ltd.verified🇨🇳CN7 yrs
BT05-A BLE 4.0 Serial Port Wireless Module CC2541 CC2540 Master Slave Integration IBeacon Anti Lost HM11 for MCU
Shenzhen Fuyuanxin Technology Development Co., Ltd.🇨🇳CN8 yrs
BTM835-B CSR8635 Wireless Blue-tooth 4.0/4.1 Audio Module for Lossless Stereophonic Receiver Plate Speaker earphone amplifier
Shenzhen Maoxing Weiye Technology Co., Ltd.verified🇨🇳CN5 yrs
Feasycom FSC-BT1026C High-Speed SBC & AAC Dual Mode QCC3024 BT 5.1 Low Energy Stereo Audio Module for Blue Tooth Applications
Shenzhen Chuangliansheng Technology Co., Ltd.🇨🇳CN2 yrs
Bssy)Lizao Bc-04 Serial Port Module Demo Version Wireless Communication Rs232
Module Blue tooth Receiver Board CSR64215 Blue tooth 4.2 Module Lossless APT-X Wireless Audio Receiver For Amplifier AMP DIY
TZ Low Power CSR8645 APTX Ble4.0 BLE Module Stereo Speaker Amplifier Audio
Shenzhen Tongze Electronic Technology Co., Ltd.🇨🇳CN3 yrs
Manufacturer-Supplied ZYS Brand HC05 HC06 Wireless BLE for Module Baseboard Communication Networking CE FCC RoHS Certified
Shenzhen Zhaoyongsheng Technology Co., Ltd.🇨🇳CN5 yrs
HC-05 AT-09 IOS BLE 4.0 Bluetooth Module CC2540 CC2541 Serial Wireless Module Compatible HM-10 iBeacon BT-05
Shenzhen Hongtai Shengye Technology Co., Ltd.🇨🇳CN2 yrs
JDY-23 BT 5.0 Module Wireless BLE5.0 Digital Transmission with Transparency PCBA
Shenzhen Yhengz Technology Co., Ltd.🇨🇳CN9 yrs
JDY-30 = JDY-31 SPP-C Bluetooth Serial Pass-through Module Wireless Serial Communication From Machine Replace HC-05 HC-06
Shenzhen iSmart Electronic Co., Ltd.verified🇨🇳CN10 yrs
High Quality BLE5.0 TI CC2642 Bluetooth Module for Remote Control Low Energy and High Performance
Shenzhen Moko Technology Ltd.verified🇨🇳CN9 yrs
JDY-25M JDY-25 BLE MESH Wireless BT Module Bluetoothss 5.0 Master-slave Transparent Transmission UART 1.9-3.6V 80M Distance
Shenzhen Hanheng Technology Trading Co., Ltd.verified🇨🇳CN7 yrsDeep Dive · Full Report
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Sources & References
24 sources cited · Verified industry data & reports
Bluetooth Audio and Data
Hyper-Tech Advanced Systems Ltd.
CSR BC05 Audio + Data Bluetooth Module. Chipset: CSR. Mini Size: 9.7*11.5*1.8mm, Coverage up to 15m (50ft). Max Transmit Power: 10 dBm, 2.4GHz ISM RF ...
CSR BC05 Bluetooth Module | PDF
Scribd
This product is a Class 2 SMT Bluetooth Module used. It provides data and voice communications. Dimension: 21mm(L) x13.5mm(W) x 2.35mm(H)
HC05 Bluetooth Module | LC Development Board Tech ...
泰山派资料
It operates in the 2.4GHz ISM wireless frequency band and uses GFSK modulation. The module has a maximum transmission power of 4dBm and a ...
BTM05 class2 standard - oemblue.com
oemblue.com
CSR Chipset Features * Operating Frequency Band 2.40 GHz~2.48GHz unlicensed ISM Band * Completely compliant with Bluetooth Spec. Voltage range 2.7V to 3.6V. V ...
Bluetooth 5 Low Energy Modules - Bluetooth Chips
Silicon Labs
Memory options of up to 4 MB Flash and 512 kB RAM allow for more demanding applications ・ 200 m range 6.5 x 6.5 x 1.4 mm package ・ 80 MHz Arm Cortex-M33 Up ...
HC-05 Data Sheet
awsli.com.br
Has a 2.4GHz digital wireless transceiver. ○ Bases at CSR BC04 Bluetooth technology. ○ Has the function of adaptive frequency hopping. ○ Small (27mm×13mm× ...