I have started looking into antenna replacement, mainly to save up some space in my bag. 


I'm getting fed up with screwing on stock antennas each time. I've come across this


https://www.aliexpress.com/item/10050043...4itemAdapt

Half price of AXII or iFlight. 

Question of course is how well or badly they performed. I was just wondering if anyone on here had a chance to test them