Product Details

China factory best bluetooth transmitter low energy module

Model Number ALM-A01
Type Drive IC
Brand Name ALM
Place of Origin Guangdong, China

Product Features

 

Product Description

About china factory best bluetooth transmitter low energy module:

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.

 

 


China factory best bluetooth transmitter low energy 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 versionV4.1 + 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. China factory best bluetooth transmitter low energy module

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. China factory best bluetooth transmitter low energy module

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

 

 

China factory best bluetooth transmitter low energy module picture:

China factory best bluetooth transmitter low energy module

China factory best bluetooth transmitter low energy module

 

 

 

Company Information

 About ALMsound:

Shenzhen ALM Technology Co., Ltd. is a innovation company in wireless audio technology and product field, providing professional value-added service for both Chinese export-oriented enterprises and international sourcing customers, focusing on medium/high end Bluetooth products with high quality in acoustic and RF enhanced, based on our strengths in wireless technology and industrial expertise from an strong expert team in R&D and production quality management.

China factory best bluetooth transmitter low energy moduleChina factory best bluetooth transmitter low energy module


 

Company view:

China factory best bluetooth transmitter low energy moduleChina factory best bluetooth transmitter low energy module

 

 

 

Production Assembly Line:

China factory best bluetooth transmitter low energy module

 

 

Bluetooth test :

China factory best bluetooth transmitter low energy moduleChina factory best bluetooth transmitter low energy module

 


Certifications

 China factory best bluetooth transmitter low energy moduleChina factory best bluetooth transmitter low energy module

China factory best bluetooth transmitter low energy module

 

 

 

Our Services

 

A. OEM & ODM service:

I. Based on our MOQ, we can brand your logo on products and package.

II. Perfect ODM service will be supplied by our professional R&D team.

 

B. Sample order

I. Stock-available sample:

Sample fee will be refunded after formal order.

Delivery time: Within 24 hours after received your sample fee.

II. Branding your logo sampling:

Sample fee will be quoted after your logo and your requirement in details.

Delivery time: 3-7 days depending on the requirement.

Sampling fee will not be refunded.

Delivered by: DHL, FedEx, UPS, EMS, Postal air mail etc.

 

C. After-sale services:

I. Best quality and service for any order any client.

II. Normally One year Warranty:

We will replace the broken parts or unqualified product with new in the next order.

. For shipping: we will track the order until you get the goods.

IV. Please feel free to contact us if any problem.

 

FAQ

 

Q1. How to play an order? What about prices?

A1: Play an inquiry or contact with online service, after receiving your inquiry we will reply you with prices and  information,thank you.

 

Q2. Can i have my logo printed on the products and packing?

A2: Totally acceptable,thank you.

 

Q3.What is your payment terms?

A3: For sample: Paypal, T/T, west union;For production: T/T, L/C, or negotiable terms.Thank you.

 

Q4.What would the delivery time be?

A4: Regularly 20 days after sample confirmed, ahead to 10-15 days if urgent, thank you.

 

Q5.In an unlikely event that there is a faulty earphone from my order, what should I do?

A5: We have full healthy after-sales service system, if anything happened not match to the contract, we shall recheck and give a better service for customers, penalty or free replacement if necessary, thank you.

 

 

More information , pls feel free contact us .

 

 

Tel:+86 137 9854 4887

Skype:(live) cherry_1763

WhatsApp:+ 86 13798544887

 

 

 

 

You May Like

Find Similar Products By Category

You May Like

View More
Chat Now Contact Now