Yes, NCS supports thread, see the Working with Thread article. There are three OpenThread samples, which you can find here. A CLI sample, CoAP Client sample and CoAP Server sample. The source code can be found here.
1. For questions about the timeline I'll have to direct you to your Regional Sales Manager. Send me a PM with your location and I'll send you their contact info.
2. The Stack/API for OpenThread is the same for both, so in that sense it should be easy to port. But in the nRF5 SDK there are a few examples and functions that aren't available in Zephyr / NCS.
Yes, this is possible, but it's not something we provide.
The border router consists of both a Raspberry Pi and (in your case) an nRF52840 dongle (Thread Border Router). The firmware running on the Raspberry Pi is provided in the Thread SDK, pre-built and ready-to-use as a binary image.
It is possible to replace the Raspberry Pi with a driver on your computer to do the same thing, but you would have to write this yourself, and Nordic wouldn't provide support for it.
I am using 2 nRF52840 DK for range testing using sample code available in SDK V16 (nRF5_SDK_16.0.0_98a08e2\examples\ble_central_and_peripheral\experimental\ble_app_att_mtu_throughput)
Tried to set Tx power to 8 dBm and code is running fine but how can I be sure that it is working on 8 dBm power, is there any API to check set Tx power?
