RT_Gyro_Rates 3 axis gyro rates
RT_Gyro_Rates: 128, 1 (0x800120 + unit id) (0x001)
Bytes 2-3: Yaw rate (degrees/s)
Bytes 4-5: Pitch rate (degrees/s)
Bytes 6-7: Roll rate (degrees/s)
Rate resolutions are degrees/s/100. These are only available with the IMU option.