8PSK

QTECH ��
28.03.2011
�� QTECH �� QTECH QXR-400, �� . �� PDH/SDH-��, �� Ethernet-�� , � �� MPEG/DVB-��... »

"��-��" ��
16.03.2011
�� "��-��" �� 8PSK, �� .�� , �� 8PSK �� ... »

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