Then, you need to be able to identify which journals are peer-reviewed. There are generally four methods for doing this: 1  Limiting a database search to peer-reviewed journals only. 2  Some databases allow you to limit searches for articles to peer reviewed journals only.
A walkie-talkie (more formally known as a handheld transceiver, or HT) is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald L. Hings, radio engineer Alfred J. Gross, and engineering teams at Motorola.
Generally, almost all walkie talkies will be able to go 0.5 to 1 miles. I recommend you buy a Motorola, Midland, or Cobra radio. Also, I recommend you buy at least $45 walkies, because usually ones with better range cost more. I have received the Cobra 2-way walkie talkie radios as a gift.