ZX4-3 Yagi for 4m band, 3 El.
ZX4-3 Yagi for 4m band, 3 El.
3-element 4m mono band beam ZX-4-3 is designed for optimal performance on the 4-meter band.
3-Element 4m Mono Band Beam ZX-4-3-1
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ZX4-3 Yagi for 4m band, 3 El.
3-element 4m mono band beam ZX-4-3 is designed for optimal performance on the 4-meter band.
3-Element 4m Mono Band Beam ZX-4-3-1

ZX Antennas

3-element 4m mono band beam ZX-4-3 is designed for optimal performance on the 4-meter band.

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Product code: 11604.3
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£199.96
12 Months 14.9% APR
£20.00
£17.23
£226.77
£199.96
18 Months 14.9% APR
£20.00
£11.49
£226.77
£199.96
24 Months 14.9% APR
£20.00
£8.62
£226.77
£199.96
36 Months 14.9% APR
£20.00
£5.74
£226.77
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48 Months 14.9% APR
£20.00
£4.31
£226.77
£199.96
12 Months 19.5% APR
£20.00
£17.92
£235.05
£199.96
18 Months 19.5% APR
£20.00
£11.95
£235.05
£199.96
24 Months 19.5% APR
£20.00
£8.96
£235.05
£199.96
36 Months 19.5% APR
£20.00
£5.97
£235.05
£199.96
48 Months 19.5% APR
£20.00
£4.48
£235.05

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ZX4-3 Yagi for 4m band, 3 El.

3-element 4m mono band beam ZX-4-3 is designed for optimal performance on the 4-meter band.


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The 3-element 4m Mono Band Beam, also known as the ZX Mono Band Yagis, is a creation by ON4UN. These single-band antennas are considered the purest form of Yagi antennas due to their simplicity and efficiency. The element spacing in these antennas plays a crucial role in achieving the optimal Front-to-Back (F/B) ratio and forward gain.

One key advantage of single-band antennas like the 4m Monobander is the ability to achieve the perfect match for the feed impedance. With only one band to focus on, designers can fine-tune the antenna for maximum performance. Gamma matching, a technique favoured by many antenna designers worldwide, is often used for its simplicity, reliability, lossless characteristics, and ease of adjustment.

Unlike multi-band antennas that require compromises, the 4m Monobander offers unmatched performance on its designated band. With a power rating of 3kW, forward gain of 9.3dB, VSWR of 1.2:1, compact boom length of 1.4m, wind load of 110N, and weighing only 7kg, this antenna is a lightweight yet powerful option for amateur radio enthusiasts looking for exceptional performance on the 4m band.

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