VHF GP Base Antenna 5/8

RH-S58V – 5/8 VHF Base Antenna (144–146 MHz)

Technical Specifications

• Frequency Range: 144 – 146 MHz
• Antenna Type: 5/8 Wave Vertical
• Polarization: Vertical
• Impedance: 50 Ohms
• Gain: ~5.5 dBi (Free Space)
• SWR: ≤ 1.3 (Properly Tuned)
• Power Handling: Up to 200 Watts
• Radiation Pattern: Omni-directional
• Mounting: Mast Mount (U-bolt Compatible)

Construction & Hardware

• Radiating Element: High-grade Aluminium
• Mounting Hardware: Stainless Steel (SS) for corrosion resistance
• Matching Components: Copper elements for stable conductivity
• Insulators: Weather-resistant durable material
• Finish: Outdoor-ready, UV & rust resistant

Features

• Optimized for VHF communication (144–146 MHz)
• High-efficiency 5/8 wave design for improved ground gain
• Strong mechanical structure for long-term outdoor use
• Low-loss construction using premium materials
• Suitable for base station & repeater applications