~ # mkdir -p /dummy/radio
~ # ls /dev/block/bootdevice/by-name/ra*
/dev/block/bootdevice/by-name/radio    /dev/block/bootdevice/by-name/ramdump

~ # mount -o ro -t vfat /dev/block/bootdevice/by-name/radio /dummy/radio

~ # ls -l /dummy/radio/
-rwxrwxrwx    1 root     root        365776 Jan  1  1980 MBA.B00
-rwxrwxrwx    1 root     root            84 Jan  1  1980 MBA.MDT
-rwxrwxrwx    1 root     root           820 Jan  1  1980 MODEM.B00
-rwxrwxrwx    1 root     root          5160 Jan  1  1980 MODEM.B01
-rwxrwxrwx    1 root     root          5332 Jan  1  1980 MODEM.B03
-rwxrwxrwx    1 root     root        180672 Jan  1  1980 MODEM.B04
-rwxrwxrwx    1 root     root       3003613 Jan  1  1980 MODEM.B05
-rwxrwxrwx    1 root     root       2516460 Jan  1  1980 MODEM.B06
-rwxrwxrwx    1 root     root        178808 Jan  1  1980 MODEM.B07
-rwxrwxrwx    1 root     root        645988 Jan  1  1980 MODEM.B08
-rwxrwxrwx    1 root     root       1734552 Jan  1  1980 MODEM.B09
-rwxrwxrwx    1 root     root      13527920 Jan  1  1980 MODEM.B10
-rwxrwxrwx    1 root     root        341952 Jan  1  1980 MODEM.B11
-rwxrwxrwx    1 root     root        483488 Jan  1  1980 MODEM.B12
-rwxrwxrwx    1 root     root      14844960 Jan  1  1980 MODEM.B13
-rwxrwxrwx    1 root     root       4198512 Jan  1  1980 MODEM.B14
-rwxrwxrwx    1 root     root         80256 Jan  1  1980 MODEM.B18
-rwxrwxrwx    1 root     root        554592 Jan  1  1980 MODEM.B19
-rwxrwxrwx    1 root     root       8970240 Jan  1  1980 MODEM.B20
-rwxrwxrwx    1 root     root       1310356 Jan  1  1980 MODEM.B22
-rwxrwxrwx    1 root     root          5980 Jan  1  1980 MODEM.MDT
-rwxrwxrwx    1 root     root            37 Jan  1  1980 RADIOVER.CFG
drwxrwxrwx    2 root     root          4096 Jun  4  2010 image

~ # umount /dummy/radio
~ # ls -l /dummy/radio/

~ # dd if=/dev/block/bootdevice/by-name/radio of=/tmp/thisIsMyRadio.img
120834+0 records in
120834+0 records out
61867008 bytes (59.0MB) copied, 0.512240 seconds, 115.2MB/s

~ # mount -o ro -t vfat /tmp/thisIsMyRadio.img /dummy/radio
~ # ls -l /dummy/radio/
-rwxrwxrwx    1 root     root        365776 Jan  1  1980 MBA.B00
-rwxrwxrwx    1 root     root            84 Jan  1  1980 MBA.MDT
-rwxrwxrwx    1 root     root           820 Jan  1  1980 MODEM.B00
-rwxrwxrwx    1 root     root          5160 Jan  1  1980 MODEM.B01
-rwxrwxrwx    1 root     root          5332 Jan  1  1980 MODEM.B03
-rwxrwxrwx    1 root     root        180672 Jan  1  1980 MODEM.B04
-rwxrwxrwx    1 root     root       3003613 Jan  1  1980 MODEM.B05
-rwxrwxrwx    1 root     root       2516460 Jan  1  1980 MODEM.B06
-rwxrwxrwx    1 root     root        178808 Jan  1  1980 MODEM.B07
-rwxrwxrwx    1 root     root        645988 Jan  1  1980 MODEM.B08
-rwxrwxrwx    1 root     root       1734552 Jan  1  1980 MODEM.B09
-rwxrwxrwx    1 root     root      13527920 Jan  1  1980 MODEM.B10
-rwxrwxrwx    1 root     root        341952 Jan  1  1980 MODEM.B11
-rwxrwxrwx    1 root     root        483488 Jan  1  1980 MODEM.B12
-rwxrwxrwx    1 root     root      14844960 Jan  1  1980 MODEM.B13
-rwxrwxrwx    1 root     root       4198512 Jan  1  1980 MODEM.B14
-rwxrwxrwx    1 root     root         80256 Jan  1  1980 MODEM.B18
-rwxrwxrwx    1 root     root        554592 Jan  1  1980 MODEM.B19
-rwxrwxrwx    1 root     root       8970240 Jan  1  1980 MODEM.B20
-rwxrwxrwx    1 root     root       1310356 Jan  1  1980 MODEM.B22
-rwxrwxrwx    1 root     root          5980 Jan  1  1980 MODEM.MDT
-rwxrwxrwx    1 root     root            37 Jan  1  1980 RADIOVER.CFG
drwxrwxrwx    2 root     root          4096 Jun  4  2010 image
~ #