Developer's DescriptionBy UnidenSiren allows you to listen to and control your scanner over a wifi link either a direct link to the scanner (useful for mobile applications) or...Siren allows you to listen to and control your scanner over a wifi link either a direct link to the scanner (useful for mobile applications) or over a local intranet connection.Features- Stream your scanners audio directly to your android smartphone or tablet, allowing you to listen in anywhere in your home.- Adjust your scanners squelch, volume, and range with just a few taps.- Set your scanners location using your smartphones GPS- Automatically syncs your scanners time with your android device.- Hold or Avoid frequencies with a touch of a button- Review Avoided items in your favorites lists.Supports the following scanner modes:- Scan- Close Call- Search- Quick Search- Fire Tone-Out- Weather modes- Trunking Discovery- Conventional Discovery