SPEAK-4G | Remote Loudspeaker via GSM Audio Intercom
Remote loudspeaker designed for residential, commercial or industrial applications to enable a dial-in to to warn off intruders over a weatherproof loudspeaker. A normal phone call into the unit throws loud audio directly at the intruders. Watching them scramble, priceless. Add a touch of pure satisfaction to any CCTV system. Now, you can not only see intruders but also tell them, loudly, what you want them to do...
