WTOK-FM (102.5 FM), branded on-air as HOT 102, is a radio station based in San Juan, Puerto Rico and owned by Uno Radio Group and its license held by Jesus Soto's WIAC-FM, Inc. During most of its history, WTOK-FM was called "Sistema 102" and the call sign was WIAC-FM.
On July 27, 2010, MSG Radio Inc., changed the call sign to WTOK-FM referred to the word "Toca".
On July 4, 2011, began a new programming under the name of "HOT 102" The Toca De To' brand launched in May 2004 after Uno Radio Group acquired WCMN-FM.
In March 2007, Uno Radio Group officially acquired WMIO from Bestov Broadcasting (previously known as Audioactiva 102.3 FM) and chained it with WCMN-FM.
The new format of the station is an American CHR, featuring a heavily Rhythmic/Dance-leaning direction but includes Pop songs.