EC2645TTS-48.000M TR EC2645TTS-49.152M EC2645TTS-49.152M TR EC2645TTS-50.000M EC2645TTS-50.000M TR EC2645TTS-50.000MTR EC2645TTS-54.000M EC2645TTS-54.000M TR EC2645TTS-56.000M EC2645TTS-6.000M