(0x1): Up to 1000 octet/s
(0x2): Up to 2000 octet/s
(0x3): Up to 4000 octet/s
(0x4): Up to 8000 octet/s
(0x5): Up to 16000 octet/s
(0x6): Up to 32000 octet/s
(0x7): Up to 64000 octet/s
(0x8): Up to 128000 octet/s
(0x9): Up to 256000 octet/s (highest)
(0xf): Reserved
(0x0): Up to 1000 octet/s (lowest)