RADIOMÓVIL DIPSA, S.A. DE C.V., doing business as Telcel, is a Mexican wireless telecommunications company, owned by América Móvil, founded in 1984 and based in Mexico City.

During the same year and due to the modernization of telecommunications, Teléfonos de México integrates DIPSA in the administration of Mobile Radiotelephony.

In 1984, the concession was obtained to operate the mobile radiotelephony service network in Mexico City, under the name of Radiomovil DIPSA S.A de C.V.

[citation needed] Two-way SMS was introduced by the company in January 2002, and MMS, using GSM technology (for postpaid and prepaid customers), commenced in March 2003.

Since December 2004, postpaid and prepaid customers may send and receive short messages to and from users from 35 other countries.

Telcel officially launched its 3G (850MHz Band) services on February 25, 2008 initially in the cities of: Guadalajara, Hermosillo, Mérida, León, Morelia, Monterrey, Tijuana, Puebla, Santiago de Querétaro and México D.F.