The TV series was developed by Jeremy Carver and was inspired by the 2000 feature film Frequency.

The series aired on The CW from October 5, 2016, to January 25, 2017, before being canceled on May 8, 2017.

Just five days after its cancellation, an epilogue was released on May 13, 2017, to give the series closure, showing the radio being fixed and Frank and Raimy learning the Nightingale killer's fate.

The epilogue ends with Raimy hearing her father's voice behind her saying 'I got it kiddo,' allowing father and daughter to finally embrace in person.

The show received generally positive reviews, holding a 75% score on Rotten Tomatoes based on 24 reviews and a 64/100 'generally favorable' rating on Metacritic based on 21 reviews.

The Rotten Tomatoes critical consensus noted that the show's confusing timeline was offset by solid acting and an intriguing premise.

Netflix acquired exclusive broadcast rights to Frequency in the United Kingdom, Ireland, India, Canada, and Oceania, streaming new episodes less than a day after their original U.S. broadcast.