VHF/UHF Dipole Array Antennas

Item Code: 00308
Model: D-221-4


Advantages

  • A robust base station antenna that is field adjustable for custom pattern configurations.
  • A high value system that combines performance with affordability.
  • Easily mounts to your mast or tower.
  • No tuning is required to complete the installation.


Features

  • State-of-the-Art “AntennaFeed” system: a truly balanced feed system with built-in ferrite bead current balun for a clean radiation pattern.
  • The “EverSealed” feed system guards against failures due to ice and harsh environments.
  • Includes stainless steel hardware and custom mounting brackets for ease of installation and a trouble free service life.


Electrical Specifications

Frequency Range 218-224
Gain, dBd 9
VSWR (50 Ohms) 1.2:1 typical
3 dB Beamwidth E/H Planes 180/*17
Power 500
Termination, feet (m), coax N Female
Polarization Vertical
Stacking Distance, E/H Planes 56.5 inches


Mechanical Specifications

Number of Elements 4
Boom Material .750″ x .750″ square tube
Element Material .250″ diameter
Mast Diameter, inches (cm) 1.25-2.00 ft (3.2-5.1m)
Mounting Rear
Wind Surface Area, feet² (m²) .5 ft² (.045m²)
Wind Survival 100 mph (160 kph)
Weight 5.0 pounds (2.28 kg)
Wind Rating 100/160