---
title: "tapCUE-4 A&E Specification"
canonical: "https://docs.cuesystem.com/space/AES/2006679578/tapCUE-4%20A%26E%20Specification"
format: markdown
---
The **tapCUE-4** is a networked touch keypad designed for tabletop or wall-mounted installation in meeting rooms, classrooms, and other environments requiring intuitive control of AV and room technologies.

The device features a **4.3" color TFT LCD display** with LED backlight, a resolution of **480 × 272 pixels**, a contrast ratio of **400:1**, brightness of **500 cd/m²**, and a projected capacitive touch overlay with edge-to-edge glass. The display offers wide viewing angles of ±70° both horizontally and vertically.

The user interface supports up to **32 buttons** across **4 pages**, with each button customizable with icons, labels, and status indicators. Button types include **pushbutton**, **toggle**, and **repeat**, and each page includes two programmable graphic bars. The interface color scheme is fully user-configurable.

Communication is handled via **Ethernet (10/100 BaseT, RJ-45)** with support for **PoE (802.3af / Class 0)**. The device uses ports UDP/1900, UDP/33333, UDP/53129, TCP/80, and TCP/53128, which must be enabled in the network infrastructure. The maximum power consumption is **2.7 W**.

Internal memory includes **8 MB RAM** and **1 MB flash**, with firmware dedicated to the touch keypad. Configuration is performed via the **Admin Web interface** or using **Cue Visual Composer**, which provides driver support for setup.

The housing is made of plastic and supports installation on tables, walls, or glass surfaces. Dimensions are **128 × 102 × 35 mm**, weight is **0.2 kg**, and the protection rating is **IP30**. The device is compatible with **VESA 75 × 75 mm** mounting standards.

**tapCUE-4** offers a modern, flexible, and cost-effective solution for room control, emphasizing simplicity, design, and seamless network integration.