The Diamond F-23 High Gain 144MHz VHF Base / Repeater Antenna is a professional-grade 2-meter band antenna engineered for serious amateur radio operators who demand exceptional performance, durability, and long-range communication. Designed with Diamond’s signature build quality, the F-23 features a rugged, corrosion-resistant fiberglass radome and a high-efficiency 3-element collinear design that delivers an impressive 7.8 dB gain across the 144–148 MHz VHF band.

This antenna is ideal for ham radio base stations, emergency communication setups, EOC installations, and repeater sites requiring stable, reliable, and high-gain coverage. With its low SWR, optimized radiation pattern, and extended ground coverage, the F-23 ensures clear signal transmission and reception even in challenging terrain.

The Diamond F-23 is easy to install and includes a durable mounting sleeve compatible with mast sizes commonly used in amateur radio towers. Whether you're upgrading a home shack, building a VHF repeater station, or enhancing long-distance simplex performance, the F-23 offers industry-leading performance trusted by operators worldwide.

Specification

• Frequency range (Mhz)         144 MHz
• Gain                                       7.8 dB
• Net Weight(kg)                    3.5
• Dimenstion                          Ø62×4530 mm       
• Radiating Element Material     Copper   
• Radome Material                   Fiberglass   
  
• Element Phasing:                  3-5/8l
• Max Power Rating                 200 Watts
• VSWR                                 Less than 1.5:1

Special Features

• Fiberglass radomes
• Stainless steel hardware
• Wide Band Performance
• Factory adjusted - no tuning required
• DC grounded
• High wind rating