Audio Intercom upgrade
Updating an existing audio intercom system can be done quite simply. Using the existing cabling. The door station and audio handsets can just be removed and retro fitted with the new door station and audio handsets. Power supplies might need to be replaced as well.
The correct replacement system needs to be selected. This is determined by the existing cabling. If selected correctly should have full manufactures warranty.
The finished product is an up to date audio intercom system for minimal costs.
Most new intercoms will accommodate old cabling