Fixed Radio Systems - Point-to-point equipment - Plesiochronous Digital Hierarchy (PDH) - Low and medium capacity and STM-0 digital radio system operating in the frequency bands in the range 3 GHz to 11 GHz
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
Fixed Radio Systems - Point-to-point equipment - High capacity fixed radio systems carrying SDH signals (2 x STM-1) in frequency bands with 40 MHz channel spacing and using Co-Channel Dual Polarized (CCDP) operation
