Updated: 11-01-2026.
RadioMaster WT01 RC Wireless Trainer Adapter D8/D16 v1/SFHSS
Banggood warehouse: China.
Discount price $31.73 with coupon: BGToys8
Additional Banggood coupons:
1. First page
2. Second page
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Price history and price alert
Here is price history (for all/most countries) for RadioMaster WT01 RC Wireless Trainer Adapter D8/D16 v1/SFHSS. The lowest price was: $21.99.
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)).