The Standard Horizon SSM-70H RAM4 is a rugged, waterproof wired remote microphone designed for full control of compatible Standard Horizon VHF radios, including the GX1800, GX1850, GX2400, and GX6000 series. Whether mounted in the cockpit or cabin, the SSM-70H extends all core communication functions to a secondary station—making it ideal for flexible and safe marine operation.

Key Features:

• Full VHF Control – Access all radio functions remotely, including channel selection, DSC calling, and AIS target display.

• Large Backlit Display – High-visibility screen with night mode ensures easy reading in all conditions.

• IPX8 Waterproof – Fully submersible up to 1.5 meters for 30 minutes—built to withstand marine environments.

• Intercom Function – Enables communication between wired and wireless RAM mics and the main station.

• Programmable Keys – Customize button functions for fast access to frequently used features.

• 23-Foot Routing Cable – Long extension allows for easy installation wherever you need it most.

• 3-Year Waterproof Warranty – Backed by Standard Horizon’s commitment to marine-grade durability.

Bring reliable and remote-access radio functionality to wherever you need it most on board with the dependable SSM-70H RAM4 microphone.