Get coupons, create price alert or check price history out! What is best price?
Gain: 3 Dbi, Shell material: PC + ABS, Connector: SMA/Angle MMCX/Straight MMCX (Optional), Frequency: 5650~5950 MHz, Polarization: RHCP/LHCP(Optional), Weight: Angle MMCX 2.25g/Straight MMCX 2.5g/SMA 3.5g, Matching: VSWR ≤ 1.5: 1, Center frequency: 5.8 GHz, Brand name: Emax, Item number: Nano, Antenna length: 50mm
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($5.12): Parts8
2. ($5.12): BGTT10
3. ($5.12): BGFPVS10
coupon code has to be applied in shop’s 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): BGBCBG10, 13f142, 502C6B, BGOTC21, BGBFAFF2019, BGCITYADS2019, 2020CNY, BGVDay10%off, bGhOnEy10, BGSS10%SW
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for EMAX Nano 50mm 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)).