Center frequency: 5.8 GHz Bandwidth: 700 MHz (5.3– 6 GHz) Matching: S11 < -20 dB, VSWR < 1.5 (at center frequency) Axial ratio: < 1.3 Antenna gain: 8 dBi Half power beam width: 55° (horizontal and vertical) Radiation efficiency: 83.5% Extension cable length: 80mm size: 60x60x22mm weight: 15g. Price history, coupons and price alert are available on this page. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($9.33): 13f142
2. ($9.50): Parts8
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): c51876, f62884, 2019SPEDM, bgssaff9, BGBCFPV, BGBCBG10, 502C6B, BGOTC21, BGBFAFF2019, BGCITYADS2019, bGhOnEy10, BGSS10%SW, bgshOOp10, BGRC902, BGTT10
(these coupons are old, so 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. The lowest price was: $5.97.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).