The station is owned by the Instituto Mexicano de la Radio (IMER) and broadcasts a classical music format under the brand name Opus 94 from a tower on Cerro del Chiquihuite.
The concession for XHIMER-FM lapsed effective April 13, 2023, due to failure to file a timely renewal.
The Federal Telecommunications Institute granted a new concession, which initially bore the template call sign XHCPDO-FM, which was changed back to XHIMER-FM along with those for five other stations whose concessions were lapsed and reawarded.
The station used to broadcast in HD Radio;[5] this transmission was formally launched on September 17, 2012.
Its HD2 signal was co-owned XEB-AM and its HD3 was Jazz Digital, all of which became silent in early-2020 due to operating costs.