Changes

Prior to 2002, the TAC was six digits long and was followed by a two-digit Final Assembly Code (FAC), which was a manufacturer-specific code indicating the location of the device's construction.

Prior to 2002, the TAC was six digits long and was followed by a two-digit Final Assembly Code (FAC), which was a manufacturer-specific code indicating the location of the device's construction.

From January 1, 2003 until that April 1, 2004, the FAC for all phones was 00.

From January 1, 2003, until that April 1, 2004, the FAC for all phones was 00.

After April 1, 2004, the Final Assembly Code ceased to exist and the Type Allocation Code increased to eight digits in length.

After April 1, 2004, the Final Assembly Code ceased to exist and the Type Allocation Code increased to eight digits in length.

In any of the above cases, the first two digits of the TAC are the Reporting Body Identifier, which identifies the GSMA-approved group that allocated the TAC.  The RBI numbers are allocated by the Global Decimal Administrator. IMEI numbers being decimal allows them to be distinguished from an MEID, which is hexadecimal and always has 0xA0 or larger as its first two hexadecimal digits.

In any of the above cases, the first two digits of the TAC are the Reporting Body Identifier, which identifies the GSMA-approved group that allocated the TAC.  The RBI numbers are allocated by the Global Decimal Administrator. IMEI numbers being decimal allows them to be distinguished from a MEID, which is hexadecimal and always has 0xA0 or larger as its first two hexadecimal digits.

For example, the old style IMEI code 35-209900-176148-1 or IMEISV code 35-209900-176148-23 tells us the following:

For example, the old style IMEI code 35-209900-176148-1 or IMEISV code 35-209900-176148-23 tells us the following:

==Attachments==

==Attachments==

{|

{|

| [[image:Declaration of IMEI assignment, Quectel UC20, 2020-11-24.PNG|thumb|left|300px|Declaration of IMEI assignment, Quectel UC20, 2020-11-24]]

| [[image:Declaration of IMEI assignment, Quectel UC20, 2021-04-20.PNG|thumb|left|300px|Declaration of IMEI assignment, Quectel UC20, 2021-04-20]]

|}

|}

You can find PDF version of the Quectel UC20 Declaration of IMEI assignment '''[[Media:Declaration of IMEI assignment, Quectel UC20, 2020-11-24.pdf|here]]'''.

You can find PDF version of the Quectel UC20 Declaration of IMEI assignment '''[[Media:Declaration of IMEI assignment, Quectel UC20, 2021-04-20.pdf|here]]'''.

[[Category:FM3001 Certification & Approvals]]

[[Category:FM3001 Certification & Approvals]]