$589.00 – 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)).
ATM you can buy Flysky Noble NB4 Pro+ 2.4GHz AFHDS 3 18CH RC Transmitter for $589 (in Banggood). Just check coupons out (with price alert and history). Do you want to know what the best price is?
Latest price update (UTC time):
Banggood ($589.00)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. You probably want to know if this is a good price. Well, this price is higher than average price ($469.00)
Link: Banggood product page
Price: $589
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGESJY8, BGALL8
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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)).