Sirio sb-2s marine antenna with stainless steel bracket
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Sirio Antennas

Sirio sb-2s marine antenna with stainless steel bracket

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£29.99
(£24.99 exc. VAT)
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Frequency range 154.4 - 163.5 MHz.
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Product code: SPA-SB2S
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£29.99
12 Months 14.9% APR
£3.00
£2.58
£34.01
£29.99
18 Months 14.9% APR
£3.00
£1.72
£34.01
£29.99
24 Months 14.9% APR
£3.00
£1.29
£34.01
£29.99
36 Months 14.9% APR
£3.00
£0.86
£34.01
£29.99
48 Months 14.9% APR
£3.00
£0.65
£34.01
£29.99
12 Months 19.5% APR
£3.00
£2.69
£35.25
£29.99
18 Months 19.5% APR
£3.00
£1.79
£35.25
£29.99
24 Months 19.5% APR
£3.00
£1.34
£35.25
£29.99
36 Months 19.5% APR
£3.00
£0.90
£35.25
£29.99
48 Months 19.5% APR
£3.00
£0.67
£35.25

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Sirio sb-2s marine antenna with stainless steel bracket

Sirio sb-2s marine antenna with stainless steel bracket


A unity gain VHF omnidirectional stainless steel marine antenna designed to work without a ground plane. DC ground to protect against static discharges. Supplied with a stainless steel bracket for easy mast top mounting.

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 a 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
SB 2 S: 17/7 PH tapered stainless steel whip
P/N 2300420.80 SB 1 S
P/N 2301120.80 SB 2 S

Electrical Data 
• Type:1/2 λ
• 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
SB 2 S: 17/7 PH Stainless steel, Nylon, Chromed brass
• Height (approx.):
SB 1 S: 1060 mm
SB 2 S: 1050 mm
• Weight (approx.):
SB 1 S: 380 gr
SB 2 S: 330 gr.

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