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Uses in a WPAN include, for example, Bluetooth devices such as keyboards, pointing devices, audio headsets, and printers that may connect to smartwatches, cell phones, or computers. A Bluetooth WPAN is also called a piconet, and is composed of up to 8 active devices in a master-slave relationship (a very large number of additional devices can ...
The first Bluetooth mobile phone was the unreleased prototype Ericsson T36, though it was the revised Ericsson model T39 that actually made it to store shelves in June 2001. However Ericsson released the R520m in Quarter 1 of 2001, [23] making the R520m the first ever commercially available Bluetooth phone. In parallel, IBM introduced the IBM ...
Most Bluetooth headsets implement both Hands-Free Profile and Headset Profile, because of the extra features in HFP for use with a mobile phone, such as last number redial, call waiting and voice dialing. The mobile phone side of an HFP link is Audio Gateway or HFP Server. The automobile side of HFP link is Car Kit or HFP Client.
Comparison of mobile Internet access methods Common name Family Primary use Radio tech Downstream (Mbit/s) Upstream (Mbit/s) Notes HSPA+: 3GPP: Mobile Internet: CDMA/TDMA/FDD MIMO: 21 42 84 672: 5.8 11.5 22 168: HSPA+ is widely deployed. Revision 11 of the 3GPP states that HSPA+ is expected to have a throughput capacity of 672 Mbit/s. LTE: 3GPP ...
A printing protocol is a protocol for communication between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers).It allows clients to submit one or more print jobs to the printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs.
The Palm TX. A personal digital assistant (PDA) is a multi-purpose mobile device which functions as a personal information manager. Following a boom in the 1990s and 2000s, PDAs were mostly displaced by the widespread adoption of more highly capable smartphones, in particular those based on iOS and Android in the late 2000s, and thus saw a rapid decline.