$472.99 – Flysky Noble NB4 Pro+ 2.4GHz AFHDS 3 18CH RC Transmitter (Banggood, Aliexpress: Flysky Noble NB4 Pro+ 2.4GHz AFHDS 3 18CH Radio Transmitter HVGA 3.5inch 320*480 LCD Touch Screen w/ FGR8B & FGR4B Receiver – Titanium (the best price with coupon)).
I have just checked coupons. The lowest price I could get is $472.99 for Flysky Noble NB4 Pro+ 2.4GHz AFHDS 3 18CH RC Transmitter (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Latest coupon and price update (UTC):
Banggood ($472.99)
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood. You probably want to know if this is a good price. Hmmm, price is higher than average (which is $469.00 right now), so better set price alert down below…
Link: Banggood product page
Price: $472.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGESJY8, BGALL8
(there’s a little possibility that old coupon will work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Flysky Noble NB4 Pro+ 2.4GHz AFHDS 3 18CH RC Transmitter. The lowest price was: $469.
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)).