EC2745TTS-48.000M TR EC2745TTS-49.152M EC2745TTS-49.152M TR EC2745TTS-50.000M EC2745TTS-50.000M TR EC2745TTS-66.000M EC2745TTS-66.000M TR EC2745TTS-66.666M EC2745TTS-66.666M TR EC2745TTS-7.3728M