Yes I do! Well actually I'm just regurgitating Oscar Liang's recommendations. You can check them out here:
https://oscarliang.com/best-fpv-antenna/
Also make sure to get a RP-SMA to SMA adapter if that's nessecary, since I think the BetaFPV VR03 has an RP-SMA connector while most antennas you will buy have an SMA connector.