ＦＤＤ

noun

frequency division duplex; FDD

Technical term in telecommunications for a duplex method where uplink and downlink use separate frequency bands.

• ＦＤＤは、上のぼりと下くだりで異ことなる周しゅう波は数すう帯たいを使つかう通つう信しん方ほう式しきです。

  FDD is a communication method that uses different frequency bands for uplink and downlink.