DIN EN 301128:2002-11
Действует
Fixed Radio Systems - Point-to-point equipment - Plesiochronous Digital Hierarchy (PDH); Low and medium capacity digital radio systems operating in the 13 GHz, 15 GHz and 18 GHz frequency bands (Endorsement of the English version EN 301128 V 1.2.1 (2001-02) as German Standard)
— 1 стр.
