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.
Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Gift EMAX Nano 5.8G FPV Antenna- RHCP/LHCP 50mm SMA/MMCX/UFL/Stubby Angle for RC Plane FPV Racing Drone | $9.83 | – |
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
paste coupon code in your cart and click Apply 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): BGBCBG10, 13f142, 502C6B, BGOTC21, BGBFAFF2019, BGCITYADS2019, 2020CNY, BGVDay10%off, bGhOnEy10, BGSS10%SW
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Price history (for all/most countries) for EMAX Nano 50mm FPV Antenna is here. The lowest price was: $4.9.
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)).