Motorola UMTS 850 Service Manual page 35

Level 1 and 2 Service Manual
cation
6809505A64-A
The IMEI uniquely identifies an individual mobile station and thereby provides a
means for controlling access to GSM networks based on mobile station types or
individual units. The full IMEI structure is listed in Table 2.
Table 2. IMEI Number Breakdown
TAC Serial Number
NNXXXXXX ZZZZZZ
Where
TAC Type Allocation Code, formerly known as Type Approval Code
NN Reporting body identifier
XXXXXX Type Identifier
ZZZZZZ Individual unit serial number
A Phase 1 = 0.
Phase 2 = check digit defined as a function of all other IMEI digits
Other label number configurations present are:
• TRANSCEIVER NUMBER: Identifies the product type. Normally the SWF
number. (i.e. V100).
• PACKAGE NUMBER: Identifies the equipment type, mode, and language in
which the product is shipped.
UMTS Subscriber Identity Module (USIM) and Identifi-
Check Digit
A
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