high bit rate serial signal by a multiplexer 138 in which the n parallel sub rate digital channels are re assembled into the original signal by n bit packets thereby reversing the process which took place in the transmitting portion 100 after the original high bit rate signal is regenerated it is typically converted into an optical signal by an electrical to optical converter modulator 142 and passed along a broadband fiber optic cable 144 although broadband cable is used as the high bit rate data transfer means in the embodiments presented herein the inventors appreciate that other high bit rate data transfer means may be substituted with appropriate conversion means to provide an electrical or other signal useful with the particular equipment chosen for use with the transmitting portion 100 and the receiving portion 101 preferred are the high frequency millimeter wave or laser transmitters and receivers because they are operational for both transmitting and receiving signals additionally they may be configured to transmit and receive signals of a frequency specifically fitted to a particular application a functional block diagram demonstrating the use of the preferred embodiment of the high frequency radio terminal of the invention with an antenna array configuration for both the transmitter and the receiver is shown in fig7 in this embodiment the transmitting portion 200 is configured as was described for fig6 with parts 202 203 206 208 210 211 212 213 214 215 216 218 and 220 of fig7 directly corresponding to parts 102 103 106 108 110 111 112 113 114 115 116 118 and 120 respectively of fig6 both in physical and functional.