Sirio SB 1 S marine VHF antenna for boats

Features:
• Marine antenna, Mono-band
• Unity-gain, Omnidirectional
• Designed to work without Ground Plane
• Protection from static discharges DC-Ground
• Perfect protection against the worst weather conditions
• Provided with stainless steel bracket for an easy installation on mast top
• Stainless steel hardware
• SB 1 S: High quality whip made of brass and copper protected by fiberglass tube
 

Electrical Data
• Type: 1/2-wave
• Frequency range at V.S.W.R. ≤ 2:1: 154.4-163.5 MHz
• Impedance: 50Ω unbalanced
• Radiation (H-plane): 360° omnidirectional
• Radiation (E-plane): beamwidth at -3 dB = 60°
• Radiation anlge deg.: 23°
• Polarization: vertical
• Gain: 0 dBd, 2.15 dBi
• Bandwidth at V.S.W.R. 2:1: 9.1 MHz
• V.S.W.R. at res. freq.: ≤ 1.2:1
• Max. power: 100 Watts
• Feed system / Position: Transformer DC-ground / base
• Connection type: UHF-female

Mechanical Data
• Materials:
SB 1 S:Glass fibre, Nylon, Chromed brass
• Height (approx.):
SB 1 S: 1060 mm
• Weight (approx.):
SB 1 S: 380 gr