DS 12 with RSAT 900

Hello to all, i'm new from Jeti World and i need you help.
Some months ago i have a buy the DC24 with Rsat 2 and Rsat 900, Now i have take for my son the new DS12.
the question is, i can connect the old Rsat 900 with DS12 ? i do not understand because i have look some discussion and tell is not possible. Thank in advance for answere

Hello Florio,
sorry, the two Rsat900 systems are not compatible.
DC24 uses th "old" and the DS12 the new NG (Next Generation) 900 MHz system.

Ingmar