SB-201/1 UHF Shipboard Mast Antenna Omni 225-400 MHz
Frequency Range: 225-400 MHz
Gain: 2 dBi
Polarization: Vertical
Pattern: Omnidirectional
Size: 21″ x 36″ H D
NSN: 5985-00-127-3306
Military Nomenclature: AS-1735/SRC
Model Number: SB-201/1
Part Number(s): 1000-1702-201
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Description
The SB-201/1 is a UHF shipboard antenna capable of transmitting up to 1 kW Average power between 225-400 MHz. The antenna is configured for mounting around a ship’s mast and it provides a vertically polarized, omnidirectional azimuth radiation pattern. The antenna is easily mountable on ship masts ranging in diameter from 4 to 11 inches without the use of special adapters. The elements are made of aluminum and supported by an aluminum framework which mounts around the mast.
The antenna’s lightweight design is achieved by the compact hybrid feed network. Hybrids and baluns are utilized to feed the four (4) dipole elements which provides a DC ground, minimizing the effects of lightning and eliminates static charges. The all aluminum sealed element and support structure provides for a lightweight, environmentally protected antenna assembly. The antenna mounting frame structure is provided with a gross mast size adjustment, allowing it to be mounted on any size mast from 4 to 11 inches in diameter and up to 15 inches with the use of an adapter kit. Military designation is AS-1735.
Spec Sheet
Spec Sheet
SPECIFICATIONS | PERFORMANCE |
---|---|
Humidity | 0-100% |
VSWR | 1.8:1 Max Across the Band |
Power Capability | 1000 Watts Avg |
Gain | 2 dBi |
Size | 21 Inches High x 36 Inches Diameter |
Frequency Range | 225-400 MHz |
Mounting | 4 to 11 inches (up to 15 inches) |
Weight | 50 lbs Including Antenna And Mast Mounting Frame |
Input Impedance | 50 Ohms Unbalanced |
Temperature Operation | -60F To +160F |
Finish | Haze Gray Powder Coat |
Service Conditions | Mil-E-16400 For Class 2 Equipment |
Shock | Mil-S-901C, Grade A |
Vibration | Mil-Std-167-1, Type I |
Azimuth Coverage | Omnidirectional Within +/- 2 dB |
Input Connector | Type LC/HN |
Polarization | Vertical |
Salt Fog | Withstands 100 Hour Test |
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