Icom Ui-7 Am Fm Unit [hot] Link

For large yachts with two helms, you can install two UI-7 units. Both units share the same main transceiver. This eliminates the need to buy two complete VHF radios. One person can talk on VHF from the lower helm while another listens to AM/FM at the flybridge.

A "fully loaded" IC-725 with the UI-7 and optional narrow CW filters is worth significantly more on the used market than a base unit. Installation and Setup icom ui-7 am fm unit

Generally, you only need to remove the top cover of the transceiver. For large yachts with two helms, you can