FDD systems Sample Clauses

FDD systems. Although the preferred duplex mode of operation is TDD in the frequency band 3400-3600 MHz, FDD systems may also be used. The duplex spacing for FDD operation shall be 100 MHz with terminal station transmission in the uplink band (3410-3490 MHz) and base station transmission in the downlink band (3510-3590 MHz). Only these frequency ranges may be used for FDD operation with regulations laid down in this Technical Arrangement.