Details: Alpha Communication TTU-4-MRA High Security 2-Way Talk-Thru Communications System

This Is A Modified Version Of The Standard Ttu-4 Set. This Version Has An Audio 'Listen-In' Module Included And Is Used With The Ttu-4-Swbx Monitoring Station.The TTU-4 Talk-Thru communication system is particularly suitable for low ambient noise environments that require an unobtrusive, yet tamper-resistant voice communication system. It features half-duplex (VOX) operation which allows both parties to talk and listen without using any pushbuttons or controls, for easy, natural conversation.The TTU-4's counter-mounted design eliminates the need for cutting into a barrier. It's low profile installation adds a personal dimension to such situations as inmate-to-visitor communications. All components including the microphones are housed in the sleek, compact units to avoid for hazards that might be encountered in a high-security environment.