The IDC iT1 listening device room bug and safety device and the WONFAST Mini A8 GPRS GSM location tracker listening bug are wireless listening devices available to the public. These two wireless listening devices can be purchased on Amazon.com, as of January 2016.
The IDC iT1 listening device room bug and safety device allows for listening to conversations by installing a cell phone SIM card and calling it from anywhere. It uses GSM technology and requires a paid 2G SIM card. It is used for home surveillance, has a voice activation mode and good sound quality.
The WONFAST Mini A8 GPRS GSM location tracker listening bug has LBS positioning, sound control dialing and power on. It uses a standard SIM card and does not depend on GPS. It relies on the GSM/GPRS baseband station location.