You can even turn the humble handheld device into a working walkie talkie. The build relies on ... but the video shows it operating in the UHF band around 433 MHz. With a power on the order ...

Tailor-made walkie talkie radio case for : Two way radio storage ... Portable frs two-way radios travel case: The container for uhf radio with comfortable and sturdy carrying handle can be carried ...

The walkie-talkie version of the phone offers DMR/Analog dual-mode, dual-slot, and dual-band functionality. It has two antennas, UHF and VHF. You can switch the frequency based on your needs.