VAGMI Replacement Accessories 2009 2021 Compatible Review

FITMENT: The VAGMI 7''antenna replacement for Ford F150 Super Duty 2009-2021 , Compatible with Dodge RAM 1500 (2012-2021). Test 1:We took more than 30 antenna samples from Amazon of the US and different antenna factories in China.They included 7'' rubber , 13'' rubber antenna ,original 8-inch rubber antennas of some vehicle models,and copper springs of the antennas.Put them in the same environment,for a comparative test of the receiving effect.The result was :The receiving effect of the VAGMI 7-inch antenna was better than the 13-inch antenna,and even the original 8-inch rubber antennas of some vehicle models. Is the copper antenna the best receiving effect?In order to looking for the answer of this question, I bought some copper springs of different specifications from the factory that produces antenna springs.We put them in the same environment,for a comparative test of the receiving effect.The result was very amazing:In the same environment,The receiving effect of the copper antenna is not the best.The receiving effect of the VAGMI antenna is better than copper antenna.You can see this picture. CAR WASH PROOF: The antenna is designed with premium metal and wrapped by flexible rubber, ensure the resistance and durability, you go through the auto car wash, the antenna will not bend or snap. Easy Installtion: It can screw onto your existing antenna mount in seconds by hand , You won't need any tools.Functional and intended for AM/FM radio signal,do not compatible with satelite radio and GPS system.