Current TMCC/Legacy and DCS systems work well and have a large feature package which is why they are popular. The newer wireless systems based on either bluetooth or Wi-Fi (many of which I have tested) also work well and will eventually match up in features as evidenced by Lionel's progression with LionChief. Lionel chose a version of bluetooth with limited range. Other bluetooth based systems have a far greater range of operation. Also, wireless is also more adaptable to battery power.
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