Marine Radio Systems: Frequency Range: 156-174 MHz (VHF), Power Output: 1-25W, Waterproof Rating: IPX7/IPX8, Material: ABS Plastic/Stainless Steel, Size: 150x60x40 mm (typical handheld), Weight: 300-500g, Battery Life: 8-24 hours, Channels: 55+.
Marine Communication Systems: Frequency Range: MF/HF/VHF/SAT, Power Output: 10-150W, Antenna Type: Fiberglass/Stainless Steel, Material: Aluminum/Stainless Steel, Size: 200x200x100 mm (typical base unit), Weight: 2-5kg, Operating Temperature: -15°C to +55°C, Buoyancy: N/A (fixed installation).
Buoyancy Aids (if applicable): Buoyancy Rating: 50-275N, Material: Polyethylene Foam/Neoprene, Size: Adjustable (S-XXL), Weight: 0.5-1.5kg, Waterproof: Yes, Color: High-Visibility (Orange/Yellow).