Sirio starduster m-400 cb radio antenna.
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Sirio Antennas – CB, Amateur & Professional Radio Solutions

Sirio Starduster M-400 – Ground Plane CB Base Station Antenna

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£54.95
(£45.79 exc. VAT) + £10.00
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Product code: 11-634
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£54.95
12 Months 14.9% APR
£5.49
£4.74
£62.32
£54.95
18 Months 14.9% APR
£5.49
£3.16
£62.32
£54.95
24 Months 14.9% APR
£5.49
£2.37
£62.32
£54.95
36 Months 14.9% APR
£5.49
£1.58
£62.32
£54.95
48 Months 14.9% APR
£5.49
£1.18
£62.32
£54.95
12 Months 19.5% APR
£5.49
£4.92
£64.59
£54.95
18 Months 19.5% APR
£5.49
£3.28
£64.59
£54.95
24 Months 19.5% APR
£5.49
£2.46
£64.59
£54.95
36 Months 19.5% APR
£5.49
£1.64
£64.59
£54.95
48 Months 19.5% APR
£5.49
£1.23
£64.59

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Sirio starduster m-400 cb radio antenna.

Sirio Starduster M-400 – Ground Plane CB Base Station Antenna


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The Sirio Starduster M-400 is a modern take on the classic Stardust-style CB base antenna, designed for serious radio enthusiasts who want solid performance and durability in a compact form.

Key Features & Specs

  • Type: 1/4 wave ground plane antenna

  • Frequency Range: Tunable from 26.5 to 30 MHz (CB & 10m band)

  • Gain: 0 dBd / 2.15 dBi

  • Impedance: 50Ω unbalanced

  • Polarization: Vertical

  • Radiation Pattern: Omnidirectional (360° H-plane)

  • Bandwidth: 2000 kHz @ 26.5 MHz

  • SWR: ≤ 1.5 at resonant frequency

  • Power Handling:

    • 1000W (CW) continuous

    • 3000W (CW) short bursts

  • Connector: UHF-female (SO-239)

  • Materials: Aluminium alloy 6063 T-832, chromed brass, nylon

  • Height: Approx. 5.04 meters

  • Radial Length: Approx. 2.69 meters

  • Mounting Mast Diameter: 35–40 mm (mast not included)

  • Wind Resistance: Up to 130 km/h

  • Weight: Approx. 1.23 kg.

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