A:AnswerBased on the manufacturer specs, the rechargeable NiMH batteries that were included with the radios should last about 9 hours. If you were to use premium Alkaline batteries (3 AA), then you should be able to get 23 hours.
I hope that helps!
A:AnswerThese are UHF like Motorola Solutions has answered but to use any GMRS channels you do need a GMRS license. You can use channels 1-8 that are shared with GMRS on low power without a license.
A:AnswerYes, a big clip is included. It has a small round ball which is pushed into the radio with a small push button which moves a plastic piece down. Once in, release the push button and the clip is locked in. The belt/vest clip is hard plastic and very cumbersome. We broke all four in two days of use.
A:AnswerIf you bought 3 sets of these, and set them all to the same channel, all the devices will be able to communicate with each other. When one person speaks, they would be heard on the other 5 devices simultaneously.
A:AnswerWell worth the money it will definitely work in a 1 million square building I recommend this product because it's durable well put together it also has the ability to add a earpiece
A:AnswerMines came with several languages included in the package, hopefully you did not discard yours. If so check with the manufacturer on the website