Antenna length: 60mm, Bandwidth: 500 MHz (5.5-6.0 GHz), Connector: SMA/RP-SMA(Optional), Center frequency: 5.8 GHz, Color: Purple, Green, Shell material: Imported PC + ABS, Matching: VSWR < 1.2 (at center frequency), Gain: 2.5 Dbi, Black, Axial ratio: <3db, Weight: 7.3g, Item number: Lollipop 3, Radiation efficiency: 98%, Red (Optional), Polarization: RHCP, Center frequency: 5750MHz. Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
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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. One coupon is available. Cool!
Link: Banggood product page
1. ($21.24): Parts8
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGFL33, BGFL3, bgssaff9, BGFoxeer1016, 502C6B, BGBFCR13, 2020CNY, 0e7f33, bGpAnDacHeCk, aff7off, bGhOnEy10, BGTT10, BGBLACKF11, BGAFF7OFF, BGCHRIS75, BGFoxeer5, 13f142, BGCuponation10, BGRU, BGDAVIS
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – 2pcs Foxeer 5.8G Lollipop 3 FPV Antenna [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for 2pcs Foxeer 5.8G Lollipop 3 FPV Antenna. The lowest price was: $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)).