GSM Audio Bugs

These infinity transmitters utilise the GSM mobile phone network to deliver global coverage. Simply dial the SIM card number assigned to the device to listen in on conversations and ambient sounds with exceptional clarity. With no distance restrictions, you can connect and listen from anywhere in the world. Many models are equipped with sound detection capabilities, automatically notifying you when nearby noise is detected. This page also features several WiFi listening devices, which are an excellent alternative if a WiFi connection is available.