Does the DataMan 290 and DataMan 390 have a -M model to add Multi-Reader Sync?

Does the DataMan 290 and DataMan390 have a -M model to add Multi-Reader Sync?

Answer

All DataMan 290s and DataMan 390s include the MRS feature key by default. These products are only available in X models, there are no Qs, QLs, etc. and no specific -M models, the X models have everything.