Dji Matrice is a model that is best known for its industrial usage with a big payload with long flight time. the drone is equipped with exceptional obstacle and aircraft detection systems. It is also possible to operate the drone with two controllers. The basic kit allows for up to 38 minutes of uninterrupted flight, maximum speed of 65km/h.
4Hawks antenna for Dji Matrice model is operating in 2.4GHz with 9dBi gain and 5.8Gz with 10 dBi Gain additional antenna installed inside controller working in 5GHz frequency that allows operating the drone with 2 controllers. Entire construction is 100% UV protected to assure longevity of the equipment. Additionally, part of the construction is made of aluminum to make the whole construction as light as possible. Mounting is made of stainless steel for rock solid stability. 
Modifying the controller might require an assistance of a professional.