Bluetooth sniping is the act of using modified equipment to receive and send Bluetooth signals at long distance ranges. It was shown on the G4techTV show The Screen Savers at DEF CON 12, a hacker convention.
The current world record for Bluetooth sniping is 1 mile, as shown on The Screen Savers.
Bluetooth is a radio standard and communications protocol primarily designed for low power consumption, with a short range (power class dependent: 1 metre, 10 metres, 100 metres) based around low-cost transceiver microchips in each device.
Bluetooth specification allows connecting 2 or more piconets together to form a scatternet, with some devices acting as a bridge by simultaneously playing the master role in one piconet and the slave role in another piconet.
Bluetooth is often thought of as wireless USB whereas Wi-Fi is wireless Ethernet, both operating at much lower bandwidth than the cable systems they are trying to replace.
Bluetooth is a wirefree Radio standard primarily designed for low power consumption, with a short range (power class depended 10 centimetres, 10 metres, 100 metres or up to 400 metres [https://www.bluetooth.org/admin/bluetooth2/faq/view_record.php?id=49],) and with a low-cost Transceiver Microchip in each device.
Bluetooth lets these devices talk to each other when they come in range, even if they are not in the same room, as long as they are within up to 100 metres (328 feet) of each other, dependent on the power class of the product.
Bluetooth devices and modules are increasingly being made available which come with an embedded stack and a standard UART port.
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