Thanks to new technology, listening and recording through walls up to 20 inches thick with crystal clear audio clarity is now possible. These devices can send you an alert when voices are detected, so that you can listen in live, and they can also start to record audio when voice detection is activated. To make the best use of your time and not waste hours waiting for something to happen, choose a voice-activated device. As for the devices themselves, they are cleverly disguised as everyday household objects from plug adaptors to iDock chargers, which are also fully functional. To listen live, you can simply dial in by calling the SIM card located inside the device. GSM listening bugs work on the same networks as mobile phones, which is what makes them so easy and convenient to use. Ultimately, they provide audio access when it isn’t safe, convenient or practically possible to manually monitor a room. Listening devices are most commonly used for collecting evidence, but they can also be used for security and general surveillance purposes. ![]()
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