24dB gain parabolic aerials are only for remote locations with 0-2 bars outdoor coverage. They add a huge lift to the signal spread of the repeater and guarantee that the repeater will work in even the most remote locations. Standard aerials are 6dB, the high gain Yagi aerials are 9-11dB and these specially designed aerials are 24dB. Do not use in towns or cities as it will be too powerful and may overload the base stations. Designed and tested during 2015 with amazing results when tested in in South Africa and Australia. These are a direct result of people in remote areas or boats out at sea needing but unable with the standard aerials to stay in touch via mobile and internet data.
In the UK They are available in only these frequencies:
900 & 1800Mhz- (O2, Vodafone, EE, Orange, T-Mobile)
900 & 2100 Mhz (O2, Vodafone, Orange, T-Mobile, EE and Three)
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