SB-106/1 UHF Shipboard Antenna Omni 400-520 MHz
Frequency Range: 400-520 MHz
Gain: 3 dBi
VSWR: 2:1 max
Polarization: Vertical
Pattern: Omnidirectional
Size: 52″ H
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Description
These UHF shipboard antennas are designed for transmit and receive applications. They provide vertically polarized, omni-directional coverage within the specified frequency range. The antennas are enclosed in fiberglass housing, making them suitable for use in extreme marine shipboard environments. The dipole antenna design allows for mounting the antennas in proximity to ship structures without significantly degrading antenna performance.
These antennas are cylindrically dipole radiator fed by a conventional coaxial RF line. Integrated into the antenna structure is a balancing transformer arrangement, which allows the dipole radiator to be fed in a balanced manner eliminating extraneous line currents.
Radiation patterns for the antenna correspond to those of a balanced dipole in free space. Coverage in the plane perpendicular to the radiating elements is omnidirectional. Figure 8 coverage, with nulls off the ends of the elements, is provided in the plane of the radiators. The inherent broadband impedance characteristics make the antenna relatively insensitive to its mounting environment and minimize azimuth and zenith pattern distortion at any location.
The standard color supplied is haze gray however the antennas can be provided in other colors, as requested. The radome is painted with three coat paint system. All external metal parts are either powder coated or 316 stainless steel for maximum corrosion resistance.
Spec Sheet
Spec Sheet
SPECIFICATIONS | PERFORMANCE |
---|---|
Humidity | 0-100% |
Mounting | 1/4” bolts on a 3.88 inch bolt circle |
Wind | 100 Knots |
Power Capability | 100 Watts |
VSWR | 2:1 Max |
Forward Gain | 3 dBi Minimum |
Housing Diameter | 3 Inches |
Shipping Weight | 30 lbs |
Base Diameter | 4.5 Diameter |
Ice | 4.5 psf on all exposed surfaces |
Frequency Range | 400-520 MHz |
Height | 52 Inches |
Temperature Operation | -54º C to +65º |
Temperature Non-Operating | -62º C to +71º C |
Weight | 9 lbs |
Construction | Fiberglass housing, aluminum mounting flange |
Shock | MIL-S-901C, Grade A, Class I |
Vibration | MIL-STD-167-1, Type I |
Azimuth Beamwidth | Omnidirectional |
Dust | Test per MIL-STD-810 Method 510.2 |
Application | Transmitting or Receiving |
Polarization | Vertical |
Salt Fog | Withstands 100 hrs test |
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