Bluejacking ... Bluetooth has a very limited range, usually around 10 metres (32.8 ft) on mobile phones, but laptops can reach up to 100 metres (328 ft) with powerful (Class 1) transmitters... He also invented the name, which purports to be an amalgam of Bluetooth and ajack, his username on Esato, a Sony Ericsson fan online forum... With the increase in the availability of Bluetooth enabled devices, it is often reported that devices have become vulnerable to virus attacks and even complete take over of devices through a trojan horse program although most of these reports are easily debunked...
Bluetooth Protocols ... The controller stack is generally implemented in a low cost silicon device containing the bluetooth radio and a microprocessor... For integrated devices such as bluetooth headsets, the host stack and controller stack can be run on the same microprocessor to reduce mass production costs; this is known as a hostless system...
Bluetooth Stack ... Bluetooth stacks can be roughly divided into two: General-purpose implementations that are written with emphasis on feature-richness and flexibility, usually for desktop computers... Embedded system implementations intended for use in devices where resources are limited and demands are lower, such as Bluetooth peripheral devices... General-purpose implementations Windows Widcomm Widcomm was the first Bluetooth stack for the Windows operating system...