DAS Dictionary ← Go Back to DASpedia Home Page Don't be shellfish...TwitterLinkedinFacebookemailPrintRedditPinterestDigg a | b | c | d | e | f | g | h | i | l | m | n | o | p | r | s | t | u | wReset list FDD - Frequency Division Duplex - FDD requires two separate communications channels. Most cell-phone systems use FDD. The newer LTE and 4G systems use FDD. Cable TV systems are fully FDD. (Source: Electronic Design) FollowFollowFollowFollow Contact Us Name Email Address Message Number 11 + 3 = Submit Subscribe to DASpedia Please opt-in to receive our monthly newsletters and marketing messages. Success! First Name Last Name Email Sign Up 5G Forum Upcoming Events Training Seminars Online DAS Training DAS & Small Cell DAS News DAS Vault DAS Dictionary Who’s Who? DAS Directory Past Events Annual Membership Press Release Submit Login/Out Register Reset Password