Pansat 3500s /sd differences

Millertime New member Username: Millertime001 Post Number: 3 Registered: Apr-06	Posted on Saturday, April 29, 2006 - 04:43 GMT What is the difference between the 3500s and the 3500sd receivers? (or is there any?)
Grim Bronze Member Username: Grimreeper Post Number: 54 Registered: Feb-06	Posted on Saturday, April 29, 2006 - 13:47 GMT sd has slot for smartcard