AST3TQ53-V-19.440MHZ-2-C-T2 AST3TQ53-V-19.440MHZ-2-C AST3TQ53-V-19.440MHZ-1-SW-T5 AST3TQ53-V-19.440MHZ-1-SW-T2 AST3TQ53-V-19.440MHZ-1-SW AST3TQ53-V-19.440MHZ-1-C-T5 AST3TQ53-V-19.440MHZ-1-C-T2 AST3TQ53-V-19.440MHZ-1-C AST3TQ53-V-19.200MHZ-5-SW-T5 AST3TQ53-V-19.200MHZ-5-SW-T2