25-204 Comet CX-333 2M/220/440 Base Vertical Antenna
Key Specifications
Bands covered: 146 MHz (2m), 223 MHz (1.25m/220), 446 MHz (70cm)
Gain:
146 MHz: 6.5 dBi (5/8 wave × 2)
223 MHz: 7.8 dBi (5/8 wave × 3)
446 MHz: 9.0 dBi (5/8 wave × 5)
VSWR: Less than 1.5:1 across operating ranges (144.5–147.5 MHz, 220–225 MHz, 440–450 MHz)
Power handling: Up to 120 watts
Length: 10′ 4″ (3.15 m)
Weight: ~3.5 lbs (1.6 kg)
Connector: SO‑239 (UHF female)
Wind survival: Rated to 110 mph
Construction: Heavy‑duty fiberglass radome, copper radiating element, stainless steel/aluminum mounting hardware
⚡ Performance & Use
Omnidirectional coverage: Perfect for repeater access and local nets on all three bands.
High gain: Provides stronger signals compared to shorter dual‑band verticals, especially on 70cm.
Durability: UV‑stabilized fiberglass ensures long service life outdoors.
Mounting: Clamp‑on hardware fits mast diameters from 1.25″ to 2.5″.