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 build relies on ... The SA868 module can transmit on a variety of frequency bands, but the video shows it operating ...

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 ...

The Malaysian Communications and Multimedia Commission (MCMC) has been assigned responsibility to prevent the technical ...