Foxeer Lollipop 2 Stubby RHCP/LHCP FPV Antenna (Banggood, Aliexpress: Shell material: Imported PC + ABS, Polarization: LHCP/ RHCP (Optional), Item number: Lollipop 2, Axial ratio: <1, Gain: 2.5 Dbi, Center frequency: 5.8 GHz, Center Frequency: 5750MHz, Antenna length: 22.7mm, Matching: VSWR < 1.2 (at center frequency), Bandwidth: 500 MHz (5.5-6.0 GHz), Weight: 4.8g, Radiation efficiency: 98%, Connector: SMA Male (the best price with coupon)).
Just check coupons out (with price alert and history). You probably want to know 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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
1. ($9.11): Parts8
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): chollodronesBG012, f62884, BGss10%fox, BGBCFPV
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Check out price history chart (for all/most countries) for Foxeer Lollipop 2 Stubby RHCP/LHCP FPV Antenna. The lowest price was: $9.11.
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)).