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IMEI Number Structure

Adding value with our service portfolio

The TAC number (the first 8 digits) allocated by the Reporting Body plus the serial number (6 digits) assigned by the TAC holder gives 14 digits of the 15 digit IMEI number.

The fifteenth digit is the Check Digit. This is calculated from the other fourteen digits by the TAC holder using the Luhn formula. An example of the calculation is given in 3GPP specification TS 23.003.

Currently, the IMEI structure is as follows:

   

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wireless communication devices

Certification of wireless communication devices

Ensure your wireless devices are certified safe for use and fully compliant

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TL 9000 Quality management system telecommunications

TL 9000 Quality management system for telecommunications

Demonstrate the high quality and reliability of your ICT system

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Risk Assessment
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Risk assessments for the Radio Equipment Directive

Get exclusive insights into new risk assessment requirements.

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Compliance with the European Union new Radio Equipment Directive
White paper

A new frequency

Manufacturers are required to test and show compliance of any radio and telecoms equipment under the Radio Equipment Directive.

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