The TT-6006A Message Terminal is a maritime terminal for use in GMDSS installations, providing several types of interfaces for connection to external equipment, such as a Mini-C transceiver, MF/HF Radio Telex applications and an Alarm panel. The Message Terminal has a touch-screen for operating the terminal. However, in GMDSS installations a keyboard is mandatory. A suitable keyboard is available from Thrane & Thrane.