How To Use:
Select the frequency and press on the whistle to hear it (or not hear it).

If you find this tool useful, please donate to the developer.

Update Description:
v1.3:
- Wider Range of Frequencies.
- Saves Frequency on exit.

v1.2:
- Added fine tuning slider (to select more frequencies).

v1.1:
- Added support for QVGA, WVGA and WQVGA Resolutions.

v1.0:
- VGA only.