• 2nd Station for FM-4800 VHF
• Intercom Function
• Listen Back Function

This optional handset HS-4800 supports all the functionality of the FM-4800 and works as a second station. Intercom function is also supported when connected with the base-station handset intercom communications are available allowing communications between the two devices. Additionally the horn speaker can be used to collect external sounds and transmit them through the built-in speaker with a function called Listen Back. In this way a person on the deck can easily communicate with the bridge a particularly useful feature for a variety of fishing vessels and workboats. The Listen Back function can also be an effective tool on sport fishing vessels allowing the horn speaker to collect the sound from fishing rods and lines when you get a strike