- Country: Czech Republic
- Genres: Short
- Release: 2004-02-14
- Director: Julius Sevcík
- Writers: Ondrej Ládek , Julius Sevcík
- Language: Czech
- Stars: Lubos Veselý , Monika Hilmerová , Miluse Splechtová , Ondrej Sokol
- Runtime: 30 min
- Awards: 1 win & 1 nomination
- AKA: 51 kHz (Czech Republic) , 51 kHz , 51 Kilohertz
- Plot: N/A
- IMDB:tt0423791