ECS-300CX-12.000 ECS-300CX-12.000MHZ ECS-300CX-12.288 ECS-300CX-12.800 ECS-300CX-12.800MHz ECS-300CX-120 ECS-300CX-122 ECS-300CX-128 ECS-300CX-14.31818 ECS-300CX-14.31818MHz