A few hundred dollars secured you an FM walkie-talkie through which you could ... about devices that can transmit on unauthorised frequencies, and ones that are capable of transmission bandwidths ...

You can even turn the humble handheld device into a working walkie talkie ... The SA868 module can transmit on a variety of frequency bands, but the video shows it operating in the UHF band ...

Tailor-made walkie talkie radio case for : Two way radio storage holder perfectly fits for gxt1000/ 1030/ 1050VP4 50 channel GMRS two-way radio(pair pack) and a base ...

It's a two-way radio communication system in which the user pushes a button to switch from receiving voice messages across a frequency to broadcasting their own voice messages. Walkie-talkie-style ...