scope:

This European Telecommunication Standard (ETS) covers the minimum performance requirements for terrestrial fixed services radio communications equipment, as given below, in bands in the frequency ranges 10 GHz and 14 GHz using 20 MHz channel spacing.

This ETS is applicable in those countries where the frequency plan in these bands is based on a 20 MHz spacing; it does not prevent the development of future ETSs for equipment operated in these bands using a different channel plan.

This ETS does not cover aspects related to test procedures and test conditions which are in the scope of another ETS under study in TM4.

The parameters specified fall into two categories:

a) those required to provide compatibility between channels from different sources of equipment on the same route, connected either to separate antennas, or to separate polarizations of the same antenna. This category also includes parameters providing compatibility with the existing radio-relay network;

b) parameters defining the transmission quality of the proposed systems.

The standardization includes the following specifications:

- transmitter and receiver characteristics;

- baseband and RF interface characteristics;

- diversity system characteristics.

As regards Synchronous Digital Hierarchy (SDH) systems, the Section Overhead (SOH) processing is covered in CCIR Recommendation 750 [8].

Safety aspects are outside the mandate ot ETSI and they will not be considered in this ETS.