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CSR BC8670 chip is embedded in this module. It supports Bluetooth 3.0/2.1/2.0 and BLE Bluetooth 4.0 double mode. Also,it can be widely applied in Bluetooth audio and data transmission. What’s more, software parameter is allowed to be customized, in order to meet your special needs in various occasions, such as high quality headphone, stereo, medical device and industrial class robot.
Name | Class 2 Bluetooth Module |
Size | 19.812mm x 15.24mm x 1.93mm |
Specification | V4.1, Compatible with Bluetooth 4.0 or below |
RF output power | Class 2 (-6~+4dBm) |
Operating frequency | ISM Frequency 2.400~2.483MHz |
Spectrum extension | FHSS |
Antenna | no antenna |
Sensitivity | <-88dBm at < 0.1% BER |
Profile | LM,LC,L2cap,SDP,RFCOMM,ATT,GATT |
Support services | Bluetooth Advanced Audio Distribution Profile Bluetooth Audio/Video Remote Control Profile Bluetooth Hands free Profile Bluetooth Headset Profile Bluetooth Serial Port Profile Bluetooth BLE Serial Port Profile |
Communication interface | Standard five-wire serial port mode(RxD, TxD, RTS, CTS, GND),PCM interface |
Energy-saving | Automatic power saving mode, support low-power operating mode / high-speed operating mode |
Security | Security certification, data encryption |
Baud rate | 1.2K~1382.4Kbps, if needed, it may be up to 3Mbps. |
LED indicator | Power indicator, connection status, operating mode |
1) Bluetooth® v4.0 specification fully qualified software
2) Radio includes integrated balun
3)80MHz RISC MCU and 80MIPS Kalimba DSP
4)16Mb internal flash memory (64 bit wide, 45ns); optional support for 64Mb of external SPI flash
5) Code with 1 channels and 1 digital microphone support
6)Support for CSR latest CVC technology for narrow-band and wide-band voice connections including wind noise reduction
7)Audio interfaces: I²S, PCM and SPDIF
8)Serial interfaces: UART, USB 2.0 full-speed, I²C
9) Integrated dual switch mode regulators, linear regulators and battery charger
10) Surface mount.
Home Entertainment Ecosystem
l TVs
l Smart remote controllers
l Wired or wireless soundbars
l Wired or wireless speakers and headphones
Tablets / PCs / Mobile Connectivity
l Wearable audio (on-the-go)
l Wearable audio with sensors (health and wellbeing applications)
l Wired or wireless stereo headphones for music/gaming/multimedia content
l Wired or wireless speakers
l Wired or wireless speakerphones
l Mono headsets for voice

Chongqing Jinou Science & Technology Development CO., Ltd is established in September 2000. We focuson Bluetooth Technology as a leader in China for 14 years. Jinou Bluetooth Technology Research Institute shoulders R & Dtask for our customers and help them keep top position in their field needless to mention some of them even went IPO.


Our engineers has published more than 10 works in Bluetooth technology , such as Bluetooth Technology,
Bluetooth Protocol and Source Code Analysis, Wireless Local Area Network, Wireless Network
Security, IPTV and Its Solution, Zigbee Technology and Cases Analyses, ULP Bluetooth Technology
Specification Analyses, etc.. In addition, they also present more than 80 Disquisitions and more than 60 patents.


In recent years, Jinou has partnerships with Mediacom,Gamestop, Microsoft, ARM, Invengo, HUAWEI,
POTEVIO, Southsurvey, Chongqing CHANGAN, Hanwei, SNBC, Newland Group, Hi Target, CMCC,
China UNICOM, CQTV, IT University of Copenhagen, Peking University, Tsinghua University,
Chongqing University, Chongqing University of Posts and Telecommunication etc..


* What are the different usages of Bluetooth module?
Bluetooth is mainly used in three fields- voice/ data access, external devices and personal LAN, and applied to many industries, such as telecommunication, industries, education, and health care.
* What are the advantages of Bluetooth?
1. No wire needed at all, Bluetooth is more flexible, more convenient and more neat
2. Compared to infrared wireless transmission, Bluetooth can realize the distance of 10m, and
even 100m if you want.
3. No direction limitation, Bluetooth is able to transmit to more than one device and distinguish
among these hardware at the same time.
* What is in-line package Bluetooth module?
There are plug pins in in-line package, which will make it easy to weld in preliminary work.
* What is SMT Bluetooth module?
SMT module uses semicircle land pattern as the pin and the module is usually used in relatively small supporter.
* What is serial port adapter of Bluetooth module?
The serial port adapter is the extra positioned module. When it is not convenient for the user to built
in Bluetooth, he can plug the serial port adapter to RS232 on the device, and put into use when the
power is on.
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