26 Facts About Bluetooth 51

Bluetooth 51 is managed by the Bluetooth 51 Special Interest Group, which has more than 35,000 member companies in the areas of telecommunication, computing, networking, and consumer electronics.

The Bluetooth 51 SIG oversees development of the specification, manages the qualification program, and protects the trademarks.

Name "Bluetooth 51" was proposed in 1997 by Jim Kardach of Intel, one of the founders of the Bluetooth 51 SIG.

Bluetooth 51 was only intended as a placeholder until marketing could come up with something really cool.

Development of the "short-link" radio technology, later named Bluetooth 51, was initiated in 1989 by Nils Rydbeck, CTO at Ericsson Mobile in Lund, Sweden.

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In May 1998, the Bluetooth 51 SIG was launched with IBM and Ericsson as the founding signatories and a total of five members: Ericsson, Intel, Nokia, Toshiba and IBM.

Bluetooth 51 was chosen, since Wi-Fi was not yet readily available or supported in the public market.

Bluetooth 51 divides transmitted data into packets, and transmits each packet on one of 79 designated Bluetooth 51 channels.

Bluetooth 51 is a standard wire-replacement communications protocol primarily designed for low power consumption, with a short range based on low-cost transceiver microchips in each device.

Historically, the Bluetooth 51 range was defined by the radio class, with a lower class having larger range.

Wi-Fi and Bluetooth 51 are to some extent complementary in their applications and usage.

Bluetooth 51 serves well in simple applications where two devices need to connect with a minimal configuration like a button press, as in headsets and speakers.

Bluetooth 51 exists in numerous products such as telephones, speakers, tablets, media players, robotics systems, laptops, and game console equipment as well as some high definition headsets, modems, hearing aids and even watches.

Nonetheless, Bluetooth 51 is useful when transferring information between two or more devices that are near each other in low-bandwidth situations.

Unlike its predecessor, IrDA, which requires a separate adapter for each device, Bluetooth 51 lets multiple devices communicate with a computer over a single adapter.

Microsoft's own Bluetooth 51 dongles have no external drivers and thus require at least Windows XP Service Pack 2.

Bluetooth 51 Low Energy, previously known as Wibree, is a subset of Bluetooth 51 v4.

The provisional names Wibree and Bluetooth 51 ULP were abandoned and the BLE name was used for a while.

Bluetooth 51 5 provides, for BLE, options that can double the speed at the expense of range, or provide up to four times the range at the expense of data rate.

Bluetooth 51 devices are fabricated on RF CMOS integrated circuit chips.

Bluetooth 51 is defined as a layer protocol architecture consisting of core protocols, cable replacement protocols, telephony control protocols, and adopted protocols.

RFCOMM provides for binary data transport and emulates EIA-232 control signals over the Bluetooth baseband layer, i e, it is a serial port emulation.

Many services offered over Bluetooth 51 can expose private data or let a connecting party control the Bluetooth 51 device.

In 2001, Jakobsson and Wetzel from Bell Laboratories discovered flaws in the Bluetooth 51 pairing protocol and pointed to vulnerabilities in the encryption scheme.

In 2004 the first purported virus using Bluetooth 51 to spread itself among mobile phones appeared on the Symbian OS.

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The worm began targeting mobile phones using Symbian OS using Bluetooth 51 enabled devices to replicate itself and spread to other devices.