Sirio SB 3U Marine VHF Marine Antenna (156-163mhz)

$62.00

Brand:
Sirio
Product Code:
SIR-MABA-SB3U
In Stock

Ex Tax: $62.00

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Description
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3/4 λ marine antenna working on 156-163 MHz without Ground Plane. It is particularly protected against the worst sea climates. The conic glass fibre tube makes it strong so to get a full assurance. The radial whip is earthed in order to avoid stray R.F. currents and their discharges. It is supplied with a stainless steel bracket for an easy fitting on the top of the mast. In the mentioned range of frequencies adjustments are not required.

Features:

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 λ J-pole

Frequency range @ SWR ≤2:
SB 3 U: 155.8 - 160.1 MHz
SB 3 S/...: 155.5 - 160.5 MHz

Impedance: 50Ω

Radiation (H-plane): 360° omnidirectional

Radiation (E-plane): beamwidth @ -3 dB = 39°

Radiation angle deg.: 21°

Polarization: linear vertical

Gain: 2 dBd - 4.15 dBi

Max. Power (CW) @ 30°C: 100 Watts

Grounding protection: All metal parts are DC-grounded, the inner conductor shows a DC short

Cable length / Type:
SB 3 U: not supplied
SB 3 S/...: 5, 18 or 25 m / white RG 58

Connector:
SB 3 U: UHF-female
SB 3 S/...: not supplied

Mechanical Data

Materials: Fiberglass, Nylon, Chromed brass

Height (approx.): 1465 mm

Weight (approx.):
SB 3 U: 300 gr
SB 3 S/5: 485 gr

Tags: Marine VHF Antenna

Sirio SB 3U Marine VHF Marine Antenna (156-163mhz)

Sirio SB 3U Marine VHF Marine Antenna (156-163mhz)

$62.00

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