SB-108 Shipboard Antenna 118-520MHz

Frequency Range: 118-520 MHz
Gain: 0 dBi (minimum)
VSWR (max): 2.0:1 136-174, 2.5:1 225-520 MHz (50 Ω)
Polarization: Vertical

SB-108

The SB-108 VHF/UHF antenna was designed for line of sight voice or data communication circuits. The antenna is
vertically polarized and has a frequency range of 118-520 MHz with a 200 watt average 500 watt peak power capacity. The antenna is designed with a single antenna element to minimize the amount of antennas and coax runs installed on a ship. The rugged design of the SB-108 will provide many years of excellent service in extreme conditions commonly found in shipboard conditions.

Spec Sheet

ELECTRICAL SPECIFICATIONS

SPECIFICATIONS	PERFORMANCE
Frequency Range	118-520 MHz
VSWR (max)	2.0:1 136-174, 2.5:1 225-520 MHz (50 Ω)
Gain	0 dBi (minimum)
Polarization	Vertical
Vertical -3dB Beamwidth	70° (minimum)
Horizontal -3dB Beamwidth	360°
Azimuth Ripple	+/- 0.5 dB
Power Input	200 Watts (ave), 500 (PEP)

MECHANICAL & ENVIRONMENTAL SPECIFICATIONS

SPECIFICATIONS	PERFORMANCE
Connector	N Female
Mounting	¼” bolts on a 3.88” bolt circle
Radome	Synthetic Polymer
Radome Diameter	8” (203.2 mm) O.D.
Base Diameter	4.5”(114.3mm)O.D.
Color	Shipboard Grey (standard)
Length	~40”(1016mm)
Weight	~15 lbs (6.8 kg)
Wind Survival	100 MPH (162 km) with 1” radial ice
Lightning Protection	Direct Ground
Shock	MIL-S-901C, Grade A, Class 1
Vibration	MIL-STD_167-1, Type 1

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