AST3TQ-V-20.000MHz-50-SW-T2 AST3TQ-V-20.000MHZ-50-SW-T5 AST3TQ-V-24.576MHz-50-C AST3TQ-V-24.576MHz-50-C-T2 AST3TQ-V-24.576MHZ-50-C-T5 AST3TQ-V-24.576MHZ-50-SW AST3TQ-V-24.576MHz-50-SW-T2 AST3TQ-V-24.576MHZ-50-SW-T5 AST3TQ-V-25.000MHZ-28 AST3TQ-V-25.000MHz-28-T2