VIDEX GSM4K-1S/4G GSM Audio Kit

The Videx GSM4K-1S is a next-generation 4G GSM audio intercom system built on the highly regarded Videx 4000 Series platform. Designed for residential, commercial, and multi-occupancy applications, this versatile GSM door entry system combines reliable visitor communication, advanced access control, and flexible expansion capabilities in a durable stainless steel design.

Manufactured from 316-grade stainless steel with an attractive matt finish, the GSM4K-1S is engineered to withstand demanding environments while delivering a professional appearance. Available in both surface-mounted and flush-mounted configurations, the system can be supplied with a single call button or expanded to accommodate up to 12 call buttons, making it suitable for everything from private homes to apartment developments and commercial premises.

Using GSM mobile network technology, visitors can call directly to designated mobile phones or landlines, allowing property owners and managers to communicate with visitors and grant access remotely from virtually anywhere.

Key Features

• 4G GSM Technology – Compatible with 2G, 3G, and 4G networks for reliable operation and worldwide deployment.
• Expandable Modular Design – Available with 1 to 12 call buttons and expandable up to 50 call buttons using additional Videx 4000 Series modules.
• Multiple Call Routing – Each call button can be programmed to call up to four telephone numbers, helping ensure calls are always answered.
• DDA Compliant Operation – Voice annunciation and call progress LEDs provide improved accessibility and user reassurance.
• Remote Door & Gate Release – Integrated relay outputs allow users to open gates, barriers, and doors directly from their telephone.
• Push-to-Exit Integration – Dedicated push-to-exit input for simple integration with access control systems.
• Auxiliary Inputs & Outputs – Includes two auxiliary inputs and two outputs for additional automation and control functions.

Advanced Access Control Features

The GSM4K-1S provides a comprehensive access control platform suitable for both residential and commercial installations.

• 1,000 Dial-to-Open Users – Store up to 1,000 authorised telephone numbers with configurable access permissions.
• 32 Temporary Access Numbers – Ideal for contractors, deliveries, visitors, and short-term access requirements, with automatic expiry from 1 to 255 hours.
• Integrated Proximity Access Control – Supports up to 1,000 proximity users for secure fob or card-based entry.
• Programmable Access Levels – Up to 10 access levels allow precise user management and permissions control.
• Timeband Scheduling – Includes 10 access control timebands and 10 free-access timebands for scheduled access management.
• Automatic Time Synchronisation – Automatically adjusts for daylight saving time and maintains accurate system scheduling throughout the year.

Expandable RS485 Access Control Network

The integrated RS485 communication bus enables expansion of the system by networking up to eight compatible devices, including:

• Videx Art.4903 digital keypads
• Videx Art.4850R proximity readers
• Additional access control modules
• Networked entrance devices

This allows the GSM4K-1S to form part of a larger, fully integrated access control solution.

Flexible Programming & Remote Management

The system can be programmed and managed using a variety of methods, providing flexibility for both installers and end users.

• SMS command programming
• Videx SMS Wizard App
• GSMSK PC software
• Micro USB on-site configuration
• Over-the-Air (OTA) remote programming and updates

The Videx GSM4K-1S delivers a powerful combination of GSM intercom functionality, remote access control, proximity entry, and visitor management, making it one of the most flexible and scalable solutions in the Videx 4000 Series range.