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Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to 10 metres (33 ft).
Bluetooth Low Energy ( Bluetooth LE, colloquially BLE, formerly marketed as Bluetooth Smart[ 1]) is a wireless personal area network technology designed and marketed by the Bluetooth Special Interest Group (Bluetooth SIG) [ 2] aimed at novel applications in the healthcare, fitness, beacons, [ 3] security, and home entertainment industries. [ 4]
Piconet. A piconet is an ad hoc network that links a wireless user group of devices using Bluetooth technology protocols. A piconet consists of two or more devices occupying the same physical channel (synchronized to a common clock and hopping sequence). It allows one master device to interconnect with up to seven active slave devices.
Bluetooth HID is a lightweight wrapper of the human interface device protocol defined for USB. The use of the HID protocol simplifies host implementation (when supported by host operating systems) by re-use of some of the existing support for USB HID in order to support also Bluetooth HID. Keyboard and keypads must be secure.
shopee .com. Shopee Pte. Ltd. is a Singaporean multinational technology company specialising in e-commerce. It is a subsidiary company of Sea Limited. It was launched in 2015 in Singapore, before its global expansion. [ 3] Since 2021, Shopee is considered the largest e-commerce platform in Southeast Asia with 343 million monthly visitors ...
Wireless speaker. A JBL Flip 3 battery-powered and waterproof Bluetooth speaker connected to a charging cable. The length is ca. 17 cm, diameter 6.4 cm, weight 450 g. TV set (size 55 inch) with two Sonos Play:5 wireless HiFi speakers (WiFi-based) and a soundbar. Wireless speakers are loudspeakers that receive audio signals using radio frequency ...
Wireless ad hoc network. A wireless ad hoc network [1] ( WANET) or mobile ad hoc network ( MANET) is a decentralized type of wireless network. The network is ad hoc because it does not rely on a pre-existing infrastructure, such as routers or wireless access points. Instead, each node participates in routing by forwarding data for other nodes.
2 The Greek Letters, alpha, beta, gimmel have no meaning in Greek but the meaning of most of their Semitic equivalents is known. For example, 'aleph' means 'ox', 'bet' means 'house' and 'gimmel' means 'throw stick'. 3 Early Greek letters are very similar and sometimes identical to the West Semitic letters.