DIN EN 300639:2001-02

Отменен

Fixed Radio Systems - Point-to-point equipment - Sub-STM-1 digital radio relay systems operating in the 13 GHz, 15 GHz and 18 GHz frequency bands with about 28 MHz co-polar and 14 MHz cross-polar channel spacing (Endorsement of the English version EN 300639 V 1.2.1 (2000-03) as German standard) — 1 стр.