1300Mbps USB3.0 WiFi Adapter 802.11ac (Banggood, Aliexpress: Color Black, Interface USB 3.0, Chipset Realtek 8812BU, Antenna Type 2dBi antenna, Wireless Standards IEEE 802.11ac / IEEE 802.11a / IEEE 802.11n / IEEE 802.11g / IEEE 802.11b, Size 42 * 19 * 9mm, Frequency 2.412~2.484GHz/5.15~5.825GHz, Model 6B14, Material ABS material + USB iron head (the best price with coupon)).
Get coupons, create price alert or check price history out! 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):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($16.92): 8Couponsde
2. ($17.10): Terence
3. ($17.10): 2203ActiesNL
4. ($17.29): BG00c906
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/feV
Old coupons (from the oldest to the newest): 00c906, ADMITAD2212, 2022ACTIESNL, Tabby20, BG1efeb0
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for 1300Mbps USB3.0 WiFi Adapter 802.11ac. The lowest price was: $16.55.
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)).