Sirio sd2000u discone antenna 100 - 2000mhz  transmission (2m, 1,25m, 70cm, 33cm, 23cm).
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Sirio Antennas

Sirio SD2000U discone antenna covers 100 - 2000MHz for transmission (2m, 1.25m, 70cm, 33cm, 23cm).

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Product code: 57-480
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£84.95
12 Months 14.9% APR
£8.49
£7.32
£96.34
£84.95
18 Months 14.9% APR
£8.49
£4.88
£96.34
£84.95
24 Months 14.9% APR
£8.49
£3.66
£96.34
£84.95
36 Months 14.9% APR
£8.49
£2.44
£96.34
£84.95
48 Months 14.9% APR
£8.49
£1.83
£96.34
£84.95
12 Months 19.5% APR
£8.49
£7.61
£99.86
£84.95
18 Months 19.5% APR
£8.49
£5.08
£99.86
£84.95
24 Months 19.5% APR
£8.49
£3.81
£99.86
£84.95
36 Months 19.5% APR
£8.49
£2.54
£99.86
£84.95
48 Months 19.5% APR
£8.49
£1.90
£99.86

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Sirio sd2000u discone antenna 100 - 2000mhz  transmission (2m, 1,25m, 70cm, 33cm, 23cm).

Sirio SD2000U discone antenna covers 100 - 2000MHz for transmission (2m, 1.25m, 70cm, 33cm, 23cm).


The Sirio SD2000U Antenna is a wide-band discone antenna designed to operate on frequencies ranging from 100 to 2000MHz for reception and on various amateur frequencies for transmission, including 2m, 1.25m, 70cm, 33cm, and 23cm. Constructed with stainless steel, chromed brass, and anodized aluminium, this antenna ensures optimal efficiency and performance. It is easy to install and can be mounted in various locations. Additionally, the vertical whip can be detached when not using the 145MHz frequency. There are two versions available: the SD2000U with a UHF-female connection and the SD2000N with an N-female connection.

In terms of electrical data, the Sirio SD2000U Antenna is a discone type with an impedance of 50 ohms unbalanced. It offers a wide frequency range for both reception and transmission, with a radiation pattern of 360 degrees omnidirectional and vertical polarization. The antenna has a gain ranging from 0dBD to 2.2dBi and can handle a maximum power of 200 watts. The feed system is direct and positioned at the centre, with the SD2000N featuring an N-Female connection and the SD2000U equipped with a UHF-Female connection.

From a mechanical standpoint, the Sirio SD2000U Antenna is constructed using materials such as aluminium, chromed brass, stainless steel, and nylon. It has a wind load resistance of 44N at 150km/h and a wind surface area of 0.04m2. The antenna stands at an approximate height of 900mm and weighs around 1020 grams. It is designed to be mounted on a mast with a diameter ranging from 25 to 54mm, making it versatile and suitable for various installation setups.

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