Aliexpress
Click here… to search for Aomway ANT018 FPV Pagoda Antenna on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (9.33 USD): 13f142
Coupon (9.50 USD): Parts8
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): c51876, f62884, 2019SPEDM, bgssaff9, BGBCFPV, BGBCBG10, 502C6B, BGOTC21, BGBFAFF2019, BGCITYADS2019, bGhOnEy10, BGSS10%SW, bgshOOp10, BGRC902, BGTT10
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for Aomway ANT018 FPV Pagoda Antenna? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).