sbu 3 SIRIO vhf marine antenne

sbu 3 SIRIO vhf marine antenne

Marine antenna, Mono-band
Low-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
High quality whip made of brass and copper protected by fiberglass tube
SB 3 S Supplied with white coaxial cable RG-58 C/U directly connected
Electrical Data:
Type: 3/4 ? J-pole
Frequency range at V.S.W.R. = 2:1:
SB 3 U: 155.8-160.1 MHz
SB 3 S/…: 155.5-160.5 MHz
Impedance: 50O unbalanced
Radiation (H-plane): 360° omnidirectional
Radiation (E-plane): beamwidth at -3 dB = 39°
Radiation anlge deg.: 21°
Polarization: vertical
Gain: 2 dBd, 4.15 dBi
Bandwidth at V.S.W.R. 2:1:
SB 3 U: 4.3 MHz
SB 3 S/…: 5 MHz
V.S.W.R. at res. freq.:
SB 3 U: = 1.5:1
SB 3 S/…: = 1.3:1
Max. power: 100 Watts
Feed system / Position: 1/4 ? Parallel line stub / base
Cable length / Type:
SB 3 U: not supplied
SB 3 S/…: 5, 18 or 25 m / white RG 58
Connection:
SB 3 U: UHF-female sbu 3 SIRIO vhf marine antenne

Marine antenna, Mono-band
Low-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
High quality whip made of brass and copper protected by fiberglass tube
SB 3 S Supplied with white coaxial cable RG-58 C/U directly connected
lectrical Data:

• Type: 3/4 ? J-pole

• SB 3 U: 155.8-160.1 MHz
• SB 3 S/…: 155.5-160.5 MHz
• Impedance: 50O unbalanced
• Radiation (H-plane): 360° omnidirectional
• Radiation (E-plane): beamwidth at -3 dB = 39°
• Radiation anlge deg.: 21°
• Polarization: vertical
• Gain: 2 dBd, 4.15 dBi

• SB 3 U: 4.3 MHz
• SB 3 S/…: 5 MHz

• SB 3 U: = 1.5:1
• SB 3 S/…: = 1.3:1
• Max. power: 100 Watts
• Feed system / Position: 1/4 ? Parallel line stub / base

• SB 3 U: not supplied
• SB 3 S/…: 5, 18 or 25 m / white RG 58

• SB 3 U: UHF-female