Telecommunications engineering, or telecom engineering, is an engineering discipline that brings together electrical engineering with computer science to enhance telecommunication systems. The work ranges from basic circuit design to strategic mass developments. A telecommunication engineer is responsible for designing and overseeing the installation of telecommunications equipment and facilities, such as complex electronic switching systems, copper wire telephone facilities, and fiber optics. Telecommunication engineering also overlaps heavily with broadcast engineering.
Telecommunication is a diverse field of engineering which is connected to electronics, civil, structural, and electrical engineering. Ultimately, telecom engineers are responsible for providing the method for customers to have telephone and high-speed data services. It helps people who are closely working in political and social fields, as well accounting and project management.
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This category (and within its own specific purpose, the analogous Category:Year of death unknown) is intended for placement in biographical entries about deceased individuals, primarily from antiquity (although, in some cases, reaching into the 19th century) whose year of birth is lost to history and never likely to be known. "Year of birth unknown" will also be applicable to many individuals from the less-remote past who gained varying degrees of notability at some points in their lives, but were born in times and under circumstances which precluded the recording and/or preservation of historical data.
Bluetooth low energy (or Bluetooth LE, or BLE, marketed as Bluetooth Smart) is a wireless computer network technology designed and marketed by the privately held Bluetooth SIG which is aimed at novel applications in the healthcare, fitness, security, and home entertainment industries. Compared to "Classic" Bluetooth, BLE is intended to provide considerably reduced power consumption and lower cost, while maintaining a similar communication range (see table below).
Bluetooth LE was originally introduced under the name Wibree by Nokia in 2006, but it was merged into the main Bluetooth standard in 2010, when the Bluetooth Core Specification Version 4.0 was adopted.
Harald II Greycloak (Old Norse: Haraldr gráfeldr, Norwegian: Harald Gråfell, Danish: Harald Gråfeld) (died 970) was a king of Norway.
Harald Greycloak was the son of Eirik Bloodaxe and a grandson of Harald Fairhair. His mother was Gunnhild Gormsdatter, the sister of King Harald I of Denmark.
Harald "Bluetooth" Gormsson (Old Norse: Haraldr blátǫnn Gormsson, Danish: Harald Blåtand Gormsen) (probably born c. 935) was a King of Denmark and Norway. He was the son of King Gorm the Old and of Thyra Dannebod. He died in 985 or 986 having ruled as King of Denmark from c. 958 and King of Norway for a few years probably around 970. Some sources say his son Sweyn Forkbeard forcibly deposed him as King.
Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security. Created by telecom vendor Ericsson in 1994, it was originally conceived as a wireless alternative to RS-232 data cables. It can connect several devices, overcoming problems of synchronization.
Bluetooth is managed by the Bluetooth Special Interest Group, which has more than 19,000 member companies in the areas of telecommunication, computing, networking, and consumer electronics. Bluetooth was standardized as IEEE 802.15.1, but the standard is no longer maintained. The SIG oversees the development of the specification, manages the qualification program, and protects the trademarks. To be marketed as a Bluetooth device, it must be qualified to standards defined by the SIG. A network of patents is required to implement the technology, which is licensed only for that qualifying device.