Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Axial Ratio: Close to 1, Model: Lollipop 3 Stubby, Color: Red, SWR: <1.2 at Center Frequency, Polarization: RHCP/LHCP (Optional), Band Width: 5.5G~6GHz, Center Frequency: 5.75GHz, Quantity: 2pcs Antennas, Gain: 2.5dBi, Radiation Efficiency: 98%, Case Material: PC+ABS, Connector: RP-SMA Male, Dimension: 17*23mm
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($18.21): BGGAL8
2. ($18.21): BGRCParts8
this code has to be applied in your 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/5cd
Old coupons (from the oldest to the newest): BGasFFT, BGRC902, bGhOnEy10, BGTT10, Parts8, BGFoxeer5, BGCuponation10, BGDAVIS
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for 2Pcs Foxeer Lollipop 3 Stubby FPV 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)).