EC3645TTS-16.000M TR EC3645TTS-16.384M EC3645TTS-16.384M TR EC3645TTS-18.432M EC3645TTS-18.432M TR EC3645TTS-20.000M EC3645TTS-20.000M TR EC3645TTS-24.576M EC3645TTS-24.576M TR EC3645TTS-25.000M