---
title: Card emulation RF sequence
description: A state diagram for StateRfDiscovered and StateRfDataXchg during NFCEE card emulation mode.
ms.assetid: 553A5002-3FE3-4178-B671-9F23560F939C
keywords:
- NFC
- near field communications
- proximity
- near field proximity
- NFP
ms.date: 04/20/2017
ms.localizationpriority: medium
---

# Card emulation RF sequence

The following figure illustrates the state sequences for StateRfDiscovered and StateRfDataXchg during NFCEE card emulation mode. An example of this is when a UICC SE is tapped against an external reader.

![card emulation rf sequence](images/cardemulationrfsequence.png)

 

 
## Related topics
[NFC device driver interface (DDI) overview](/windows-hardware/drivers/ddi/index)  
[NFC class extension (CX) reference](/windows-hardware/drivers/ddi/index)