From Horizon Hobby:
This Wireless Module is used to connect the MX10 Gen 2 ESC to the Trinity ESC App which can be found on the Apple and Google Play Store. Please Note: This Wireless Module is not needed for the MX8 ESC, as the wireless capability is built-in.
#TEP0015 – $31.99
Visit HorizonHobby.com
See more posts about Horizon Hobby