# Wacom UD series notes

## Overview

* Release year: 1993
* Preceded by: [Wacom SD series](https://docs.sevenpens.com/drawtab/catalog/drawtabs/wacom/wacom-sd-tablets)
* Succeeded by: [Wacom Intuos1](https://docs.sevenpens.com/drawtab/catalog/drawtabs/wacom/wacom-intuos1)

## Models

<table data-header-hidden><thead><tr><th width="164.79998779296875">Model</th><th width="170">Name</th><th width="185.60003662109375">Other names</th></tr></thead><tbody><tr><td>UD-0608-R</td><td>UltraPad A5</td><td></td></tr><tr><td>UD-0608-A</td><td>UltraPad A5</td><td></td></tr><tr><td>UD-1212-R</td><td>UltraPad A4</td><td></td></tr><tr><td>UD-1212-A</td><td>UltraPad A4</td><td></td></tr><tr><td>UD-1218-R</td><td>UltraPad A3</td><td></td></tr><tr><td>UD-1218-A</td><td>UltraPad A3</td><td></td></tr><tr><td>UD-1218-R</td><td>Ultrapad A3</td><td></td></tr><tr><td>UD-1825-R</td><td>UltraPad A2</td><td></td></tr></tbody></table>

## Other

* WACOM Software Interface Reference Manual - UD, KT, and SD series - [https://vt100.net/wacom/wacom-progman.pdf ](https://vt100.net/wacom/wacom-progman.pdf)