This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.



Inquiry Add To Bom

BT111-A-HCI General Description

DescriptionBT111 is a low cost and ultrasmall Bluetooth Smart Ready HCI module that is designed for applications where both Bluetooth classic and Bluetooth low energy connectivity is needed. BT111 integrates a Bluetooth 4.0 dual mode radio, HCI software stack, USB interface and an antenna. BT111 is compatible with Windows and Linux operating systems and Microsoft and BlueZ Bluetooth stacks and offers OEMs fast and risk free way to integrate Bluetooth 4.0 connectivity into their applications. Features· Bluetooth v.4.0, dual mode compliant· Support Bluetooth classic· Supports Bluetooth low energy master and slave mode· Radio capabilities· Transmit power: +8dBm· Receiver sensitivity: -89dBm· Line-of-sight range: 100+ meters· Integrated antenna· Interfaces· HCI over USB host interface· 802.11 co-existence interface· Software programmable GPIO· PCM or I2S audio interfaces· Supply voltage: 1.7V to 3.6V or 3.1V to 3.6V· Temperature range: -30C to +85C· Ultra compact size: 13.05mm x 9.30mm· Bluetooth, CE, FCC, IC and Japan Applications· Health and fitness gateways· Point of sale· M2M connectivity· Automotive aftermarket· Personal navigation devices· Consumer electronics· Industrial and home automation gateways

Key Features

  • 1. Bluetooth 4.0 Low Energy technology
  • 2. Integrated antenna for wireless communication
  • 3. Compact size and lightweight design
  • 4. Low power consumption for efficient operation
  • 5. Secure data transmission using encryption algorithms
  • 6. Flexible interfaces, including UART, SPI, and I2C
  • 7. Supports various operating systems and platforms


  • 1. Internet of Things (IoT) devices and systems
  • 2. Smart home automation and control
  • 3. Health and fitness monitoring devices
  • 4. Wearable technology, such as smartwatches and fitness trackers
  • 5. Industrial automation and control systems
  • 6. Wireless sensor networks
  • 7. Automotive electronics


Mfr Silicon Labs Series -
Package [ "Tape & Reel (TR)", "Cut Tape (CT)", "Digi-Reel®" ] Product Status Obsolete
DigiKey Programmable Not Verified RF Family/Standard Bluetooth
Protocol Bluetooth v4.0 Modulation -
Frequency 2.4GHz Data Rate -
Power - Output 8dBm Sensitivity -89dBm
Serial Interfaces SPI, UART, USB Antenna Type Integrated, Chip
Utilized IC / Part CSR8510 Memory Size -
Voltage - Supply 1.7V ~ 3.6V Current - Receiving -
Current - Transmitting - Mounting Type Surface Mount
Operating Temperature -30°C ~ 85°C


Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

  • DHL

  • Fedex

  • UPS

  • EMS

  • Registered Air Mail


We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
customs fees, etc.

  • Wire Transfer

  • Paypal

  • Credit Card

  • Western Union

  • Money Gram


Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.


AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
  • ESD


  • Tape and Reel

    Tape and Reel

  • Cut Tape

    Cut Tape

  • Tube or Tray

    Tube or Tray


You need to log in to reply. Sign In | Sign Up

Buying Guide

  • What is the lifespan of BT111-A-HCI?

    The lifespan of BT111-A-HCI depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.

  • Where can I find the full specification of BT111-A-HCI?

    You can find it with PDF Datasheet for BT111-A-HCI on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.

  • How to check the quality of BT111-A-HCI?

    Avaq has separate quality services with common quality inspection equipment for testing items, you can also fill out a sample form, our team will get in touch with you within 24 HOURS.

  • Can I purchase samples for testing?

    Avaq offers free samples for customers to test. This can often help you determine whether the chip or component meets your needs.

  • Where can I check the delivery after the order is completed?

    Once the order is completed, you will receive an order confirmation email containing a tracking number from AVAQ, then you can track the delivery by yourself.

  • Where to view my order of BT111-A-HCI or my history order record?

    You could view all of your orders by logging in or registering AVAQ account. Log in or Register an account now.