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In telecommunications, 2VSB is an abbreviation for 2-level vestigial sideband modulation, a transmission method capable of transmitting one bit (21=2) at a time.[1][2]

Other faster but less rugged forms include 4VSB, 8VSB, and 16VSB.[2]


  1. ^ Dong, J. (2007). Network Dictionary. ITPro collection. Javvin Technologies, Incorporated. p. 5. ISBN 978-1-60267-000-6. Retrieved 10 July 2018.
  2. ^ a b VSB-dependent automatic gain control, Jung Sig Jun et al., U.S. patent no. 6,281,945. Accessed on line 12 January 2008.