here is a video to show how to replace the Ariel on the minivet done and i could see it longer range.
worked with me but please only do it if you feel confident in doing so.
thanks for watching and comment bellow for more videos
http://www.banggood.com/Wingsland-Scarlet-Minivet-5_8G-FPV-With-HD-Camera-RC-Quadcopter-p-973421.html?p=0T12141907319201507K