Product Details

Best Price Wireless Bluetooth Module

Model Number ALM-A11
Type Drive IC
Brand Name ALM
Place of Origin Guangdong, China

Product Features

Specifications

 

1.Hi-Fi with apt-X 
2.Super mini, antenna built in 
3.Elaborate RF enhancement design 
4.Support dual-mic noise/echo cancelling 

 

Best Price Wireless Bluetooth Module 

Spec ItemRange
GeneralDimension (mm)17.0 x 9.0 x 3.0 mm (double side mounting)
PCB materialFR4 4 layers
Soldering pin typeDouble soldering pads for flat cable
AntennaAntenna built-in
Firmware memoryROM
BluetoothBluetooth versionBluetooth specification: V4.1 + EDR
Bluetooth chipsetBlueCore® CSR8645™
Profiles supportedA2DP/AVRCP/HFP/HSP
ConnectivityMulti-link - A2DP/HFP2 x host devices (A2DP/HFP) or 2 x headsets
App connectionSupport for Smart App Connectivity
NFCExternal NFC module available (Optional)
RF/WirelessFrequency range2.402GHz to 2.483GHz
Transmission powerClass 2 , -4 ~ +6 dBm
Sensitivity-90dBm (typical)
Wireless Range>10m ( free space)
AudioMicrophone inputs2 x analog mic (stereo or dual-mono)
Line-inSupport for stereo line-in
Output for speakerStereo differential output (upto 50mW)
ADC sampling8 KHz ~ 48 KHz, 16-bit high-quality
DAC sampling8 KHz ~ 96 KHz, 16-bit high-quality
CodecHi-Fi quality stereo codec
Decoder supportaptX, SBC, MP3 and AAC
Music EnhancementsConfigurable EQ, S3D, Volume Boost
Noise/Echo reductionCVC6.0 noise and echo reduction
HSP voiceHD voice, bi-directional noise reduction
ElectricalSupply Voltage - Charger4.75~5.75V (Recommended)
Supply Voltage - Battery4.30V (Max)
Supply Voltage3.0V~3.7V (Recommended)
Power comsumption - StandBy~250uA (typical)  @ACL link, Sniff 500ms, LED off
Power comsumption - SCO~12 mA (typical) @SCO link, HV3 packet
Power comsumption - A2DP~14 mA (typical) @SBC, 48KHz sampling

 

 

Key Features 

1. Bluetooth stereo module for high-end Bluetooth items 

2. Super Mini Size with PCB antenna built in

3. Support for Hi-Fi sound quality

4. Apt-X decoder built in

5. RF transmission power level control configurable

6. Multi-band EQ tunable, S3D and Volume Boost

7. Support for voice prompt 

8. Support for USB charging enumeration and Charge management

9. Verified production line capability and quality system

 

 

Outstanding features

1. Multi-languages voice prompt (optional)

2. Dual-mic technology as an option for better noise cancellation

3. Multi-link with source devices or 2 headsets

4. Amazing Individuality - Bluetooth kit of 1 transmitter adapter & 2 receivers/headsets

5. Complete verification test on functional, RF, audio and Bluetooth

6. Complete environmental & reliability test

 

 

Wireless Bluetooth Module 

 

Best Price Wireless Bluetooth ModuleBest Price Wireless Bluetooth ModuleBest Price Wireless Bluetooth Module

 Best Price Wireless Bluetooth Module

 

 

 

 

Factory View

 

Best Price Wireless Bluetooth ModuleBest Price Wireless Bluetooth Module

 

 

 

 

Certification 

Best Price Wireless Bluetooth Module

 

 

 

 

QA Lab Test 

 

Best Price Wireless Bluetooth Module

 

 

 

 

 

R&D Lad Test 

 

Best Price Wireless Bluetooth Module

 

 

 

 

 

About product

 

 

 

This is a ultra small size Bluetooth module with PCB antenna built in, focusing on in-ear stereo headset applications. The module is elaborately designed in EMI and audio configuration based on CSR8645 with CVC noise & echo cancellation and apt-X technologies, support for multi-link, smart apps connectivity, dual-mic, voice prompt features.  It has excellent RF performance by fine-tuned RF match and antenna directionality.

 

 

 

About company

 

 

 

We are an one-stop supplier with professional service in wireless audio products, both in R&D and production quality based on our management system and industrial expertise.

 

 

 

 

 

 

 

More Information , Please Fell free to contact us .

 

 

 

Tel:+86 137 9854 4887

 

 

 

Skype:(live) cherry_1763

 

 

 

WhatsApp:+ 86 13798544887

 

 

 

 

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