Located on 107.3 MHz, XEQR-FM is owned by Grupo Radio Centro and carries a grupera format as "La Z".

XEQR-FM broadcasts in HD and carries two subchannels, known as La Z on HD1 and Radio Centro XEQR-AM on its HD2 signal.

[2] The transmitter is located atop a tower in La Mesa/Villa Alpina site at the outskirts west of Mexico City.

[3] XEQR took to the air in 1974 — more than 10 years after receiving its concession on December 3, 1963 — with the name "Radio Universal" and a format of music in English from the 1950s and 1960s.

In 1991, it became known as "Universal Stereo 107.3 FM" and picked up the long-running "El Club de los Beatles" program from XERC-AM, which ceased airing it when that station dropped the Radio Éxitos format.