> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/kalipso5/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/kalipso5/developing/form/actions/actions-description/group-rfid/psion-rfid-uhf-connect.md).

# Psion RFID UHF Connect

Connects to a Psion RFID UHF device.

Action available for the following operating systems:

![](/files/8nmky5uY66dHtSih6rzi)

### Parameters

* **Connection Type** *\<unquoted string> -* The type of the connection that the user wants to establish. The possible values are:
  * RS232
  * RS485
  * TCP
  * USB
  * Dynamic
* **Address** *\<string> -* The address to the connection established. If the user chooses RS232 or RS485, leave this parameter empty.