Latest update shows that HD6 WiFi6 costs 169.99 USD (in Banggood). Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Latest coupon and price update (UTC):
Banggood (169.99 USD)
Banggood warehouse is located in China. Hmmm… There is no active coupon in Banggood at this moment. Is it a low price? Hmmm, price is higher than average (which is 168.49 USD right now), so better set price alert down below…
Link: Banggood product page
Price: 169.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGHONEYSP
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
Click here… to search for Wavlink AERIAL HD6 WiFi6 Outdoor Router AX1800 on Aliexpress
Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Wavlink AERIAL HD6 WiFi6 Outdoor Router AX1800.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).