1HCI SOCKET TRANSPORT
2====================
3
4An HCI Socket can send/receive HCI packets to/from a Bluetooth HCI controller managed by the host OS. This is only supported on some platforms (currently only tested on Linux).
5
6!!! note
7    This type of transport can only be used for virtual hosts, not virtual controllers
8
9## Moniker
10The moniker for an HCI Socket transport is either just `hci-socket` (to use the default/first Bluetooth controller), or `hci-socket:<index>` where `<index>` is the 0-based index of a Bluetooth controller device.
11
12!!! example
13    `hci-socket`
14    Use an HCI socket to the first Bluetooth controller (`hci0 on Linux`)
15
16!!! tip "On Linux"
17    See the [Linux Platform](../platforms/linux.md) page for details on how to use HCI sockets on Linux
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