ATM you can buy Eachine K-Loverleaves 5.8G 5dBi 6 Leaf Clover RC Antenna for $10.99 (in Banggood). Get coupons, create price alert or check price history out! You probably want to know what is the best price?
Polarization: Right Hand Circular Polarized /RHCP, Frequency: 5.8G, Gain: 5dBi, Connector: RP-SMA /SMA, VSWR: <1.3, Impedance: 50Ω, Radiation: Omni
Latest price update (UTC time):
Banggood ($10.99)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. Is it expensive? According to my database, the average price is $13.32 and current price is $10.99, so it’s probably a good price!
Link: Banggood product page
Price: $10.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGEachine10, BGRCEachine, BGToys1, BGRCT10, BGToys8, BGMatt2022, BG589b2e
(there’s a little possibility that old coupon will work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Eachine K-Loverleaves 5.8G 5dBi 6 Leaf Clover RC Antenna.
Price records source(s): 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)).