You're past the headland, signal's dropping, and you need to punch through to shore or the vessel ahead. The Uniden UM355 gives you 25 watts when you need range and drops to 1 watt for battery-friendly chatter close in. JIS4-rated housing shrugs off spray. The speaker mic is splashproof. Backlit keys and a large LCD with brightness control mean you're not fumbling in the dark at 6am. Engineered in Japan. Two-year warranty. If your comms setup is a secondhand radio held together with gaffer tape, this is the upgrade that actually sticks