Since TMCC was first introduced in the mid 90s, Lionel command control locomotives have been limited to 2-Digit addresses; #1 through 99. It was never dreamt of that anyone would ever want or need more addresses than that. But the fans of Lionel trains have proven that false!
First introduced with the 2022 Vision Line Class A, Lionel brings you 4-Digit Addressing capabilities exclusive to the Base3 and Cab3 APP. Since it is not possible to add this capability to existing TMCC/Legacy radios, an all-new radio protocol was developed. This is why 4-Digit is limited to special release locomotives, with the goal of rolling this feature into all Legacy engines in the future.
This new radio adds a new level of control and interactive experience with Legacy locomotives: