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 |