The Type Allocation Code (TAC) is the initial eight-digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices.
The Type Allocation Code identifies a particular model (and often revision) of wireless device for use on a GSM, UMTS or other IMEI-employing wireless network.
The first two digits of the TAC are the Reporting Body Identifier. This indicates the GSMA-approved group that allocated the TAC.
Prior to January 1, 2003, the global standard for the IMEI started with a six-digit Type Approval Code followed by a two-digit Final Assembly Code (FAC). The Type Approval Code (also known as TAC) indicated that the particular device was approved by a national GSM approval body and the FAC identified the company that had built and assembled the device (which is not always the same as the brand name stamped on the device). Effective on that date, many GSM member nations and entities (mainly Europe) moved away from requiring that devices be approved by national bodies, and towards a system where device manufacturers self-regulate the device market. As a result, a manufacturer now simply requests an eight-digit Type Allocation Code for a new devie model from the international GSM standards body, instead of submitting a device for approval to a national review body. Both the old and new TAC uniquely identify a model of a device, although some models may have more than one code, depending on revision, manufacturing location, and other factors.
TAC codes for TM2500 (used in FMB1YX products) are as follows:
|TM2500||35209308; 35209408; 35848008; 35963210; 35963310; 35401711; 35401811; 35401911; 35042406; 35054450; 35262569; 35707329; 35754437; 35031717; 35061207; 35201670; 35259257; 35320135; 35369184; 35374237; 35400239; 35470562; 35537174; 35622951; 35678630; 35681116; 35833470; 35849675|
You can the find PDF version of TAC 35209308 here, TAC 35209408 here, TAC 35848008 here, TAC 35963210 here TAC 35963310 here, TAC 35401711 here, TAC 35401811 here, TAC 35401911 here, TAC 35042406 here, TAC 35054450 here, TAC 35262569 here, TAC 35707329 here, TAC 35754437 here, TAC 35031717 here, TAC 35061207 here, TAC 35201670 here, TAC 35259257 here, TAC 35320135 here, TAC 35369184 here, TAC 35374237 here, TAC 35374237 here, TAC 35470562 here, TAC 35537174 here, TAC 35622951 here, TAC 35678630 here, TAC 35681116 here, TAC 35833470 here, and of TAC 35849675 here.