Specification model:

R 2-bit * 0.8 M

R 2-bit * 1.8 M

R 2-bit * 2.8 m

R 2-bit * 3.8 m

R 3-bit * 0.8 M

R 3-bit * 1.8 M

R 3-bit * 2.8 m

R 3-bit * 3.8 m

R 4-bit * 0.8 M

R 4-bit * 1.8 M

R 4-bit * 2.8 m

R 4-bit * 3.8 m

R 5-bit * 0.8 M

R 5-bit * 1.8 M

R 5-bit * 2.8 m

R 5-bit * 3.8 m

R 3-bit USB * 0.8 M

R 3-bit USB * 1.8 M

R 3-bit with USB * 2.8 m

R 3-bit USB * 3.8 m

R 4-bit USB * 0.8 M

R 4-bit USB * 1.8 M

R 4-bit with USB * 2.8 m

R 4-bit USB * 3.8 m

R 5-bit USB * 0.8 M

R 5-bit USB * 1.8 M

R 5-bit USB * 2.8 m

R 5-bit USB * 3.8 m