Const
This describes more details regarding the connection.type. It may be the type of cell technology connection, but it could be used for describing details about a wifi connection.
Use NETWORK_CONNECTION_SUBTYPE_VALUE_EVDO_B in [incubating entry-point](https://github.com/open-telemetry/opentelemetry-js/blob/main/semantic-conventions/README.md#unstable-semconv).
This describes more details regarding the connection.type. It may be the type of cell technology connection, but it could be used for describing details about a wifi connection.