Contacta STS-K020-S23 Retrofit Glass Mounted System
- Our amplifier provides full open duplex communication and is compatible with all of our window intercom products
- A surface mounted, sealed speaker for overhead installation
- Our customer side, anti-vandal, and screen mounted directional microphone with dual polycarbonate plates
- This hearing loop sticker is installed onto the glass and has a built in hearing loop aerial
- The PS-55 Power Supply is a Level VI power supply

The Contacta STS-K020-S23 Retrofit Glass Mounted System is an innovative window intercom solution designed to seamlessly integrate into existing glass setups, where previous systems have left gaps. This system features a glass-mounted customer microphone secured with ultra-durable ballistic-proof polycarbonate plates, ensuring top-level safety. The kit includes options for flush-mounted or bracketed overhead speakers, catering to various installation preferences and maximizing communication efficiency.
Contacta STS-K020-S23 System Applications
For use in any situation where one-to-one communication takes place at a counter, booth, or desk, such as:
- Airports: Enhance passenger communication seamlessly.
- Banks: Secure transactions and interactions.
- Government Facilities: Ensure clear communication in important settings.
- Hospitals/Health Clinics: Improve patient and staff communication.
- Information Centers: Provide reliable assistance with clarity.
- Nursing Homes: Ensure conversations are easy and accessible.
- Pharmacies: Facilitate effective communication for prescriptions.
- Post Offices: Streamline service interactions.
- Ticket Kiosks: Enhance customer support at events.
Contacta STS-K020-S23 System Components
A31H Window Intercom Amplifier
Our amplifier provides full open duplex communication and is compatible with all of our window intercom products.
STS-S23 Overhead Speaker Module
A surface-mounted, sealed speaker designed for overhead installation.
STS-SU1 Staff Unit
A free-standing combined speaker and directional microphone for staff, featuring an integral loudspeaker, adjustable neck, and mute switch.
Anti-Vandal Microphone with Glass Mount Kit
Customer-side, anti-vandal, and screen-mounted directional microphone secured with dual polycarbonate plates for added durability.
IL-AE98 Window Mounted Loop Aerial
This hearing loop sticker can be installed onto the glass and comes with a built-in hearing loop aerial for enhanced accessibility.
PS-55 Power Supply
The PS-55 Power Supply ensures reliable operation with Level VI energy efficiency.
Contacta STS-K020-S23 Detailed Specifications
| Feature | Details |
| Amplifier Model | A31H Window Intercom Amplifier |
| Speaker Type | STS-S23 Overhead Speaker Module |
| Staff Unit | STS-SU1 with adjustable features |
| Microphone Type | Anti-Vandal, Glass Mounted |
| Hearing Loop Aerial | IL-AE98 Window Mounted Loop Aerial |
| Power Supply | PS-55, Level VI |
| Material | Ballistic-proof polycarbonate |
| Communication Type | Full open duplex |
| Installation | Retrofit glass mount |
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