RECOMMENDATION ITU-R F.754 - RADIO-RELAY SYSTEMS IN BANDS 8 AND 9 FOR THE PROVISION OF TELEPHONE TRUNK CONNECTIONS IN ...
ANNEX 1 - Supplementary information on radio-relay systems for use in trunk connections in rural areas
1. Transmission performance
    1.1 Analogue systems
    1.2 Digital systems
2. Special conditions in developing countries
    2.1 General
    2.2 Equipment, antennas and power supplies