Why would one use cell phone as Walkie Talkies?

A walkie-talkie (more formally known as a handheld transceiver) is a hand-held portable, two-way radio transceiver. walkie talkie a very useful gadget. You may also need a walkie talkie if you move around a lot in your job. The benefit over mobile phones is that they are license free and do not have any associated call charges. You can clip a walktie talkie to your clothing, they are light weight and easily carried about your person.