LSPDFR Radio plugin walkie talkie setup
Channel: The Wheelchair Guy
Date: 2015-12-05

Download the plugin over here 

New Link http://www.lcpdfr.com/files/file/15354-police-smartradio-the-successor-to-police-radio/

http://www.lcpdfr.com/downloads/gta5mods/scripts/ The file name is  Police Radio (Plate Checker, Coroner, Tow Truck, Tackle Suspect, Request Pit, Barriers, Request Additional Traffic Unit, Request K9)