Hi All,

As you might know release 1.1 brings Bluetooth 5 features into Nimble
host and controller. In particular:

* LE Advertising Extensions
* 2M PHY for higher throughput
* Coded PHY for LE Long Range
* High Duty Cycle Non-Connectable Advertising
* Channel Selection Algorithm #2 to utilize channels in more efficient way.

There is couple of new GAP API introduced in order to support it. You
can find it here:
https://mynewt.apache.org/latest/network/ble/ble_hs/ble_gap/ble_gap/

Part of it is marked 'experimental' as we want to get community
feedback on it and this might be subject for change.

To test it you need preferably two nRF52840 boards (which supports 2M
and Coded PHYs) and bletiny with following MYNEWT_VAL set:

BLE_EXT_ADV:=1
BLE_LL_CFG_FEAT_LE_2M_PHY=1
BLE_LL_CFG_FEAT_LE_CODED_PHY=1

In order to start advertise extended advertising in bletiny you do simple e.g:

`b adv primary_phy=coded secondary_phy=2M`

On second device you can scan `b scan ext=coded` or connect  `b conn
ext=coded peer_addr=<> perr_addr_type=<>`

Happy testing!

Soon we will be doing long range field tests, so stay tuned :)

Best
Łukasz

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