# Mount drives model

There are the 2 main versions of the drives model:
 * PDR:
    * 8kHz sampling: `MOUNT_MODEL=MOUNT_PDR_8kHz`
 * FDR:
    * 1kHz sampling: `MOUNT_MODEL=MOUNT_FDR_1kHz`
    * 1kHz sampling with 17Hz notch filter in controller: `MOUNT_MODEL=MOUNT_FDR_1kHz-az17Hz`
    * 8kHz sampling: `MOUNT_MODEL=MOUNT_FDR_8kHz`