Xmipbs 2pcs 2.4G 7DB Flat Directive Antenna Range Extender & 2pcs 2.4G 8DB Omni-Directional Signal Range Booster Kit for DJI Mavic PRO DJI Maivc Air DJI Spark

https://www.amazon.co.uk/Xmipbs-Directive-Antenna-Extender-Omni-Directional/dp/B07D31Z5WP/ref=sr_1_8?ie=UTF8&qid=1545291750&sr=8-8&keywords=xmipbs