NF Z85-198*NF EN 300198:2006 Fixed Radio Systems - Point-to-point equipment - Parameters for radio systems for the transmission of digital signals operating at 23 GHz (V1.5.1).
1999NF Z85-198:1999 Transmission and Multiplexing (TM). Digital Radio Relay Systems (DRRS). Parameters for DRRS for the transmission of digital signals and analogue video signals operating at 23 GHz.