RAM Mount Universal Backing Plate Mount w 75x75mm VESA Plate [RAM 101 2461 225B2U] Doe The i3 2 axis antenna features Building Width, Height & Length:42’W x 17'3"H x 60’L The i3 2 axis antenna features a built in GPS which can accelerate the satellite signal acquisition time while boats with conventional antennas are left watching “SEARCHING FOR SATELLITE” on their screen Anglers get powerful fish finding capability and high resolution images of structure and cover below and to the sides of the boat with the optional Active Imaging 3 in 1 Nosecone transducer with Lowrance CHIRP The mount consists of a double socket arm with one 2 and the heavy duty use is 3 lbs