Alert4U2 AIO

A4U AIO – Wireless I/O Module

The A4U AIO is a versatile wireless input/output module in the A-Call series, designed for seamless integration with
third-party control panels. 
It enables the transmission of alarms wirelessly to the A4U system, offering enhanced flexibility and connectivity.

This unit features two wired inputs and two independently controllable wired outputs, allowing for
customized operation to suit various applications.

Reliability and Security:
To ensure consistent performance, the A4U AIO is equipped with advanced safety features.
These include “radio test” alarms to confirm operational status and “low battery” alarms to alert users when power levels drop.

Technical Specifications:

Dimensions: 85 x 85 mm (LxWxH)
Inputs: 2
Outputs: 2
Power Supply: 24V DC or 2 x AAA batteries
Frequency: 869.250 MHz
Communication: Two-way radio
Certifications and Approvals
The A4U AIO operates on the EU-recommended frequency for social alarms, minimizing interference risks.

Radio Approvals:
EN 300 550-1, EN 300 220-3

EMC Approvals:
EN 301 489-3

LVD Approvals:
EN 60950-1

With its robust features and compliance with European standards, the A4U AIO is a reliable choice for wireless alarm solutions.