Sirio Gain-Master 25-30MHz 5/8 wave CB & 10M Base Antenna - Radioworld UK
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Sirio Antennas

Sirio Gain-Master 25-30MHz 5/8 wave CB & 10M Base Antenna (New Upgrade Version)

£0.00
(£0.00 exc. VAT)
£179.95
(£149.96 exc. VAT) + £5.00
Please note that there is an extra charge for deliveries exceeding 1.0 meter.
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The latest model of the famous gain master!
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179 Reward points
Product code: 11-636
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£179.95
12 Months 14.9% APR
£18.00
£15.51
£204.08
£179.95
18 Months 14.9% APR
£18.00
£10.34
£204.08
£179.95
24 Months 14.9% APR
£18.00
£7.75
£204.08
£179.95
36 Months 14.9% APR
£18.00
£5.17
£204.08
£179.95
48 Months 14.9% APR
£18.00
£3.88
£204.08
£179.95
12 Months 19.5% APR
£18.00
£16.13
£211.53
£179.95
18 Months 19.5% APR
£18.00
£10.75
£211.53
£179.95
24 Months 19.5% APR
£18.00
£8.06
£211.53
£179.95
36 Months 19.5% APR
£18.00
£5.38
£211.53
£179.95
48 Months 19.5% APR
£18.00
£4.03
£211.53

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Sirio Gain-Master 25-30MHz 5/8 wave CB & 10M Base Antenna - Radioworld UK

Sirio Gain-Master 25-30MHz 5/8 wave CB & 10M Base Antenna (New Upgrade Version)


Sirio Gain-Master is a high-tech fibreglass base station-wide band antenna from 10m to 12m* amateur band, entirely designed by the electromagnetic simulation to achieve the maximum gain and optimize the radiation pattern and bandwidth. Engineered with the most advanced technologies, it is wholly manufactured in Italy with high-quality materials. The new design of the radiant element works like a central feeded dipole, so all RF currents on the radiator are in-phase, and the ground plane radials are unnecessary. The coaxial coil at the bottom works like RFchoke for the optimum decoupling from the mast and feeding line. Made of telescopic fibreglass tubes, it is DC-grounded for the best protection from static discharges. Gain-Masterä is the new reference standard in its class of antennas.

12m band covered with manual or automatic antenna tuner, The 0.625 λ centre-fed vertical dipole antenna is designed to operate from 10m to 12m ham band in the wide band. It has an omnidirectional radiation pattern and can handle up to 50 Watts of power. This antenna offers 1 to 2 dB higher gain than conventional 5/8 λ antennas and can sustain 500 Watts (CW) continuously. Constructed with high-quality materials, the antenna features a whip made of white fibreglass composite tube and a radiator made of copper wire and low-loss coaxial cable. All metal parts are DC-grounded, and the inner conductor is DC-shorted. The antenna is designed for durability, with stainless steel hardware, anodized AW6060 aluminium, and a bracing system that can withstand winds of up to 160 km/h (100 mi/h). This antenna ensures reliable connections with a UHF-female connector, PTFE insulator, and gold-plated central pin. It has a frequency range suitable for ham radio operations and a maximum gain on the horizon. The mechanical data includes dimensions of 7360 mm (24 ft) with a bracket, a radiator length of 6850 mm (22.5 ft), and a weight of 3 Kg (6.6 lb). This antenna is designed for optimal performance, offering excellent wind resistance, lightning protection, and a maximum power handling capacity at an impedance that ensures efficient signal transmission.

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