Amazon.com: Alfa 2.4HGz WiFi Antenna - 7dBi RP-SMA Panel Screw-On Swivel for Netwrok Adaptors - Also Works for 3DR Solo Drone, DJI Phantom 3 Drone, Yuneec Typhoon H ST16 Controller, adds Range :
Garmin Alpha Astro 42 Inch Long Range Metal Antenna - Gun Dog Outfitter
THE ORIGINAL FLEXIBLE EXTENDED RANGE ASTRO/ALPHA ANTENNA – Johnson's Telemetry, LLC