Sirio CX‑4 4m base station antenna mounted on brick house exterior, aluminium mast with DC‑ground protection, clear blue sky background.
Sirio CX‑4 4m base station antenna mounted on brick house exterior, aluminium mast with DC‑ground protection, clear blue sky background.
Mono‑band 4m aluminium antenna securely installed on residential rooftop, showing full vertical mast and mounting bracket.
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Sirio CX‑4 4m base station antenna mounted on brick house exterior, aluminium mast with DC‑ground protection, clear blue sky background.
Mono‑band 4m aluminium antenna securely installed on residential rooftop, showing full vertical mast and mounting bracket.

Sirio Antennas – CB, Amateur & Professional Radio Solutions

Sirio CX‑4 4m Base Station Antenna – 68–88 MHz Mono‑Band J‑Pole

£0.00
(£0.00 exc. VAT)
£59.95
(£49.96 exc. VAT) + £5.00
Please note that there is an extra charge for deliveries exceeding 1.0 meter.
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Product code: SPA-CX468
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£59.95
12 Months 14.9% APR
£6.00
£5.17
£67.99
£59.95
18 Months 14.9% APR
£6.00
£3.44
£67.99
£59.95
24 Months 14.9% APR
£6.00
£2.58
£67.99
£59.95
36 Months 14.9% APR
£6.00
£1.72
£67.99
£59.95
48 Months 14.9% APR
£6.00
£1.29
£67.99
£59.95
12 Months 19.5% APR
£6.00
£5.37
£70.47
£59.95
18 Months 19.5% APR
£6.00
£3.58
£70.47
£59.95
24 Months 19.5% APR
£6.00
£2.69
£70.47
£59.95
36 Months 19.5% APR
£6.00
£1.79
£70.47
£59.95
48 Months 19.5% APR
£6.00
£1.34
£70.47

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Sirio CX‑4 4m base station antenna mounted on brick house exterior, aluminium mast with DC‑ground protection, clear blue sky background.

Sirio CX‑4 4m Base Station Antenna – 68–88 MHz Mono‑Band J‑Pole


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Select the frequency‑tuned version of the Sirio CX‑4 to match your operating band. Each model is factory‑set for optimum performance within its specified range and cannot be retuned outside that band.

Available Frequency Versions:

  • 68–73 MHz (CX 4‑68) – Tuned for lower 4m allocations

  • 73–78 MHz (CX 4‑73) – Mid‑band tuning

  • 78–83 MHz (CX 4‑78) – Upper mid‑band tuning

  • 83–88 MHz (CX 4‑83) – High‑band tuning

All versions use the same 3/4λ coaxial J‑pole design, 2 dBd gain, DC‑ground static protection, and 500W power handling.

Choose the version that matches your licence or system frequency.

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