# Psion RFID UHF Read Tag

Reads a Psion UHF Tag data.

Action available for the following operating systems:

![](/files/8nmky5uY66dHtSih6rzi)

### Parameters

* **Memory Bank** *\<unquoted string> -* Defines the memory bank to this read action. The possible values are: EPC, User, Reserved, TID or dynamic.
* **Tag ID** *\<string> -* The Tag ID readed. Leave this parameter empty for first Tag found.
* **Start Block** *\<numeric> -* The block where the read action begans.
* **Nbr. of Blocks** *\<numeric> -* The number of blocks to read in this action. If the Tag Type is 'ISO180006B', 1 block=1byte, otherwise 1 block=2bytes.
* **Target** *\<unquoted string> -* The control or variable to save the data readed in this action.
* **Coded** *\<unquoted string> -* Indicates if the readed data is coded or not. The possible values are: Yes, No or dynamic. Use Yes if the established connection is in String Data Mode.
* **Password** *\<string> -* The password defined if the user uses Class1 Generation2 tags.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://doc.sysdevmobile.com/kalipso5/developing/form/actions/actions-description/group-rfid/psion-rfid-uhf-read-tag.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.