AT-09 Bluetooth 4.0 Wireless Module

$11.00 USD $9.00 USD SAVE 18%
The price is for a single piece.
There are 2 pieces in the retail box.
The quantity has to be a multiple of 2.
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Categories: Module Network

Introducing the marvelous Lonely Binary AT-09 Bluetooth module! Prepare to be amazed by its extraordinary features and endless possibilities. Powered by the incredible CC2541 BLE chip, this module is here to revolutionize your Bluetooth experience.

With the AT-09 series, you have full control at your fingertips. Customize the baud rate, device name, and pairing pin to suit your exact needs. It's like having a magical Bluetooth genie granting your every command!

Lonely Binary takes pride in providing you with the ultimate flexibility and convenience. Whether you're a tech enthusiast, a DIY guru, or a professional developer, the AT-09 is your gateway to a world of endless creativity and innovation.

Seamlessly connect your devices, unleash the power of wireless communication, and let your imagination run wild. Lonely Binary's AT-09 Bluetooth module is your trusty companion, making every connection effortless and every project a resounding success.

Unlock the potential of Bluetooth technology like never before. Let the AT-09 series be your secret weapon, elevating your projects to new heights of awesomeness. Trust in Lonely Binary, the brand that puts your needs first and makes your dreams a reality.

Join the Lonely Binary revolution and experience Bluetooth brilliance with the AT-09. It's time to level up your wireless game and make a statement that resonates throughout the tech world. Don't settle for ordinary when you can have extraordinary with Lonely Binary!


Tech Specs

Low Standby Power Consumption With a range of 90uA to 400uA, the Lonely Binary Wireless Module ensures minimal power usage when in standby mode.
Long Connection Distance Enjoy seamless connectivity with a connection distance of up to 32.8 feet/10 meters, allowing you to stay connected without restrictions.
Lightning-Fast Response Speed Experience swift and efficient communication with a remarkable response speed of just 0.4 seconds, ensuring a smooth user experience.
Universal Product The Lonely Binary Wireless Module is designed to be universally compatible, making it suitable for a wide range of applications and devices.
High Data Transfer Capacity Say goodbye to limitations with the Lonely Binary Wireless Module's impressive data transfer capability of up to 3K Bytes/second, enabling fast and efficient transmission.
Hassle-Free Compatibility No need to worry about MFI (Made for iPhone) requirements. The Lonely Binary Wireless Module ensures seamless compatibility with various devices and platforms.
Versatile Functionality The master-slave integrated module combines transparent transmission, remote control, and PIO acquisition capabilities, offering versatile functionality for your projects.
Easy Configuration Set and switch functionalities effortlessly with the AT order set, providing a user-friendly and intuitive experience.
Net Weight 3.5 g
Dimension (L) 45 mm x (W) 15 mm x (H) 6 mm


What’s in the Box

There are 2 pieces in the retail box.
The listing price is for

  • 1 x AT-09 Bluetooth Module



  • Australia Orders over $55 - Your order will enjoy free shipping via Australia Post Standard Shipping Services. 
  • International Orders over $99 - Your order will be posted via Australia Post Air Mail Services. 

Raspberry Pi board / Micro:bit board / NVIDIA board will be excluded; All PCB orders will not enjoy free shipping. Distributors and wholesale orders are not eligible for free shipping.


At this time, LONELY BINARY is an online-only business, with our products available through This allows us to keep the cost down for the customer. Orders cannot be picked up. 


We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.All Australian orders will be shipped via Australia Post, Courier Please or Fastway Couriers (Aramex). International Orders will be shipped via Australia Post or DHL. Your order will be shipped within one business day after we receive payment, providing the items are in stock.

  • Standard Shipping
    Sent via standard Australia Post stamped letter mail, typically 5-9 business days. No tracking/support available other than confirmation of dispatch.
  • Express Post
    Sent via Australia Post Express Service, Fastway Courier or Courier Please, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.

Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion. International orders are shipped through Australia Post and DHL courier service depending on the most economical at the time. 


Shipping Method via Delivery Area Delivery Time(business day) Tracking No. Weight Limit
DHL Asia 1-2 YES No Limit
western EU 2-3 YES No Limit
eastern EU 3-5 YES No Limit
North America 2-3 YES No Limit
Australia 2-3 YES No Limit
South America 3-5 YES No Limit
South Africa 3-5 YES No Limit


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