The RUDDOG RR492 is a powerful 2.4GHz 4-channel FH5 receiver designed specifically for compatibility with selected latest generation Sanwa radio control systems. The RR492 is the ideal choice for anyone looking for an affordable but high quality alternative to their Sanwa remote control. The RR492 is compatible with the Sanwa M17, MT-5 and MT-R remote controls and supports both FH5 and FH5U.