Radioworld listing for SG-7700 dual-band antenna
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Diamond Antenna – High‑Performance, Durable Communication Solution

Diamond SG-7700 Dual-Band Mobile Antenna – 144/430 MHz (2m/70cm)

£0.00
(£0.00 exc. VAT)
£89.95
(£74.96 exc. VAT)
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Product code: SG-7700
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£89.95
12 Months 14.9% APR
£9.00
£7.75
£102.01
£89.95
18 Months 14.9% APR
£9.00
£5.17
£102.01
£89.95
24 Months 14.9% APR
£9.00
£3.88
£102.01
£89.95
36 Months 14.9% APR
£9.00
£2.58
£102.01
£89.95
48 Months 14.9% APR
£9.00
£1.94
£102.01
£89.95
12 Months 19.5% APR
£9.00
£8.06
£105.74
£89.95
18 Months 19.5% APR
£9.00
£5.37
£105.74
£89.95
24 Months 19.5% APR
£9.00
£4.03
£105.74
£89.95
36 Months 19.5% APR
£9.00
£2.69
£105.74
£89.95
48 Months 19.5% APR
£9.00
£2.02
£105.74

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Radioworld listing for SG-7700 dual-band antenna

Diamond SG-7700 Dual-Band Mobile Antenna – 144/430 MHz (2m/70cm)


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The Diamond SG-7700 is a high-gain dual-band mobile antenna, designed for reliable performance on the 2 metre (144 MHz) and 70 centimetre (430 MHz) amateur bands. With a brutal stainless-steel whip and strong coil construction, the SG-7700 delivers superior range and clarity. It is ideal for mobile operators, base use with a mag mount, or fixed installations.

With excellent gain figures of 3.5 dB (2m) and 6.0 dB (70cm) and a robust build, this antenna is a go-to choice for users who demand performance and durability. Compatible with most SO-239 mounts, the SG-7700 handles up to 150 watts, making it suitable for high-power operations.

Key Features:

  • Frequency: 144 MHz & 430 MHz (2m/70cm bands)

  • Gain: 3.5 dB (144 MHz), 6.0 dB (430 MHz)

  • Max Power: 150W

  • Impedance: 50 Ohms

  • Length: Approx. 1.58 metres

  • Connector: UHF (PL-259 plug)

  • Stainless steel whip with centre coil

  • Ideal for mobile, base, and repeater access use

  • Works with most SO-239 compatible mounts.

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