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Please check the serial number on the back of your
USB adapter. Also note the difference in design
and serial number on the two USB adapters.
Model
Name: BT2000/BT2000C-USB
For
Serial Number:
BT3231XXXXXX
~ BT3341XXXXXX
¡@
Model Name:
BT2000C-USB
For Serial Number:
BT3342XXXXXX, BT343AXXXXXX and BT3442XXXXXX
¡@
¡@
Model Name:
BT2000.C-USB and BT2000D-USB
For Serial Number:
BT3343XXXXXX,
BT3344XXXXXX and BT3413XXXXXX
¡@
¡@
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