XL Systems has designed and made DCC products since 2001. XL decoders are used to brand as MRC. All MRC DCC products are designed and made by XL Systems. So XL decoders and MRC decoders are same decoders. All XL products carry six months warranty and lifetime service. we also decoder installations for our customers.
If you have any questions please contact us at linzping@gmail.com . We also sell on aBay accounts: xiu_47 and zlin7320 .