The present document specifies the minimum performance parameters for terrestrial fixed service radio communications equipment operating at 7, 8, 13, 15, 18, 23, 26, 28, 32, 38, 52 to 55 GHz provided with a combination Packet data interfaces or of Packet Data interfaces and PDH/SDH interfaces. Such digital systems are intended for use for point-to-point connections in local and regional networks. For regulatory purpose, reference shall be made to existing PDH/SDH standards to be used to assess the efficient use of
radio spectrum.