Walkie Talkie
Walkie talkies are handheld, portable radios with microphones that allow you to communicate with others in your area. They're ideal for situations where you need to be in touch with someone but can't get a cell phone signal. The battery life on these devices is very long, so you can get up to 20 hours out of a single charge. However, they don't have the same audio quality as a smartphone. These radios can pick up other radio signals, including music and broadcast voices. It's important to choose a frequency band that's free of interference. When your walkie talkie starts picking up a signal, you'll hear a hiss and static. This means that your conversation isn't secure. You'll have to switch channels to communicate with your friend. Walkie talkies are designed to work on a specific frequenc...