Technoethical TET-BT4 adapters are LogiLink Bluetooth 4.0 adapters sold under our own brand, with a guarantee that the TET-BT4 version ships with the CSR8510 integrated circuit that uses a free software driver; we can make no guarantees that other versions of the LogiLink adapters will ship with the same chipset.
With the Technoethical Nano Bluetooth 4.0 Adapter for GNU/Linux-libre you can connect to Bluetooth devices using exclusively free software and benefit from transfer speeds up to 3 Mbps, extremely small size and backward compatibility with 2.0, 2.1 and 3.1 standards.
The Technoethical Nano BT4 adapter is based on the CSR8510 integrated circuit. This is fully compatible with a completely free GNU/Linux distribution, which has the kernel Linux-libre, clean of the nonfree blobs from Linux. Using the latest versions of the kernel (3.11 or later), the adapter works out of the box when plugging it on USB.
Because the driver is free, you can study it and check what exactly it's doing. Moreover, you can modify the way the adapter works, so it can be an important resource for educational experiments or for your business. With the Technoethical Nano BT4 USB adapter, your are in control of your own computer for connecting to Bluetooth devices too.
Buy it for your laptop! You have a laptop with a Bluetooth card which doesn't work with free software or it's broken. Plug the Technoethical Nano BT4 adapter in an USB port and connect to Bluetooth devices. It's so small, you will forget that it's there!
Buy it for your desktop! You have a dektop computer without Bluetooth capabilities. Plug the Technoethical Nano BT4 adapter in an USB port and connect to Bluetooth devices. You continue to use free software.
Buy it for your development board! You have a development board or an embedded device without an integrated circuit for connecting to Bluetooth devices or with one which doesn't work with free software. Plug the Technoethical Nano BT4 adapter in an USB port and control your device or other devices remotely via Bluetooth.
Technoethical donates parts of its income to different free software projects. We list the donations on the page Technoethical donations.
This adapter is produced by LogiLink and it is sold by Technoethical under its own brand, as a warranty that the integrated circuit works with free software.