Using a cellular router, PCMCIA or USB card, customers are able to access 3G broadband services, regardless of their choice of computer ( such as a tablet PC or a PDA ).

To provide another example: if mobile data is used, e. g., a 3G mobile handset or USB wireless broadband adapter, then the IP address has no relationship with any physical location, since a mobile user could be anywhere that there is network coverage, even roaming via another cellular company.

Furthermore, these consumer electronic products are equipped with basic mobile communication hardware like, WiFi and 2. 5G / 3G Internet USB sticks.

In 2008 Airtel-Vodafone, and later Sure, entered the broadband market using a 3G USB ‘ dongle ’.

Three open-source keyer / keyset designs are available: The pickey a ps / 2 device based on the PIC microcontroller, the spiffchorder a USB device based on the Atmel AVR family of microcontrollers, and the GKOS keypad driver for Linux as well as the Gkos library for the Atmel / Arduino open source board.

* low-bandwidth I / O buses of various sorts ( for pointing devices such as mice, keyboards, USB, etc.

A device on the PCI bus or USB is identified by two ID's which consist of 4 numbers and / or letters A to F. The vendor ID identifies the vendor of the device.

Wireless internet is portable: users can connect nearly anywhere through a receiver ( connected to the client via USB or Ethernet ) and it provides download rates between 512 kbit / s and 1 Mbit / s depending on the chosen plan.

In addition to the original 31. 25 kbit / s ( baud is the signalling rate and is the reciprocal of the shortest signalling element ; bits / sec is the data rate ) current-loop transported on 5-pin DIN, other connectors have been used for the same electrical data, and transmission of MIDI streams in different forms over USB, IEEE 1394 a. k. a. FireWire, and Ethernet is now common.

The transmission speed of USB is over 15, 000 times faster than that of MIDI ( 480, 000 kbit / s vs 31. 25 kbit / s ), but the rate at which USB retrieves messages is 1ms, the same time necessary to transmit a MIDI message over a standard link.

The serial I / O channels implement a slave USB interface, a SDLC, two UARTs, an IrDA interface, a MCP, and a synchronous serial port.

The SA-1101 provided additional peripherals to complement those integrated on the SA-1100 such as a video output port, two PS / 2 ports, a USB controller and a PCMCIA controller that replaces that on the SA-1100.

The high data speeds of UMTS are now most often utilised for Internet access: experience in Japan and elsewhere has shown that user demand for video calls is not high, and telco-provided audio / video content has declined in popularity in favour of high-speed access to the World Wide Web — either directly on a handset or connected to a computer via Wi-Fi, Bluetooth, Infrared or USB.

# The UPS to report its status to the computer it powers via a communications link such as a serial port, Ethernet, GSM / GPRS or USB

Additionally the level of complexity is continuously growing as devices are required to manage many variables such as serial, USB, TCP / IP, Bluetooth, Wireless LAN, trunk radio, multiple channels, data and voice, enhanced graphics, multiple states, multiple threads, numerous wait states and so on.

* Cisco Wireless LAN products-Access Points, PCI / PCMCIA / USB Wireless LAN Adaptors, Wireless LAN Controllers ( WLC ), Wireless LAN Solutions Engines ( WLSE ), Wireless Control System ( WCS ), Location Appliances, Long range antennas.

additional optical disc drives ( MSCDEX ), PCMCIA / PC Card drives, USB or Firewire drives, or network drives.

A common problem that occurs with the drive letter assignment is that the letter assigned to a network drive can interfere with the letter of a local volume ( like a newly installed CD / DVD drive or a USB stick ).

In 2009, Swiss researches tested 11 different USB, PS / 2 and laptop keyboards in a semi-anechoic chamber and found them all vulnerable, primarily because of the prohibitive cost of adding shielding during manufacture.

Connectivity features of the 9500 include: Bluetooth, infrared, USB, Wi-Fi, CSD, HSCSD, GPRS and EDGE.

* Siemens A52: monochrome, GSM 900 / GSM 1800, no GPRS, no USB, IrDA or Bluetooth.

* Siemens A55: monochrome, GSM 900 / GSM 1800, no GPRS, no USB, no IrDA or Bluetooth.

* Siemens C56: monochrome, GSM 850 / GSM 1900, with GPRS, no USB, no IrDA or Bluetooth.

Typical PCI cards used in PCs include: network cards, sound cards, modems, extra ports such as USB or serial, TV tuner cards and disk controllers.

Perhaps the final 7-bit restriction, primarily imposed due to the pervasive use of RS-232 protocol for serial ports between devices, notably computers and modems, was lifted in the mid-1990s when RS-232 was largely replaced with Ethernet and with USB.

* USB for mobile modems

DSL modems provide Ethernet ( or Ethernet over USB ) connections to local equipment, but inside they are actually Asynchronous Transfer Mode ( ATM ) modems.

Most current broadband modems with USB jacks also have Ethernet jacks, and thus are full-hardware modems.

A 4G system provides mobile ultra-broadband Internet access, for example to laptops with USB wireless modems, to smartphones, and to other mobile devices.

USB wireless modems have been available since the start, while WiMAX smartphones have been available since 2010, and LTE smartphones since 2011.

Typically USB-based, they incorporate a range of converters such as USB display adapters, audio chipsets, NICs, storage enclosures, modems and memory card readers connected through an internal USB hub to give the host computer access to extra connections it did not previously possess.

All modems currently sold use either HSPA + or LTE and can connect to a personal computer via an Universal Serial Bus ( USB ) port, while some also provide Internet access to multiple devices via Wi-Fi and thus do not require a wired connection.

The router did not incorporate a modem, but allowed certain specified USB ADSL modems to be connected ; at the time many Internet Service Providers required their USB modems to be used rather than allowing connection of ADSL equipment directly to the telephone line (" wires-only " service ).

NDISwrapper is a free software driver wrapper that enables the use of Windows XP network device drivers ( for devices such as PCI cards, USB modems, and routers ) on Linux operating systems.

Modern computer buses can use both parallel and bit serial connections, and can be wired in either a multidrop ( electrical parallel ) or daisy chain topology, or connected by switched hubs, as in the case of USB.

Most modern joysticks use a USB interface for connection to the PC.

The increasing use of USB connectors in the 2000s has led to the availability of MIDI-to-USB data interfaces that can transfer MIDI channels to USB-equipped computers.

USB was developed for use with peripherals such as mice and keyboards, which have no specific timing needs, but FireWire was created for use with multimedia applications.

A Mini-mouse is a small egg-sized mouse for use with laptop computers ; usually small enough for use on a free area of the laptop body itself, it is typically optical, includes a retractable cord and uses a USB port to save battery life.

Flash memory chips found in USB drives use quantum tunneling to erase their memory cells.

Compared with RS-232, USB is faster, uses lower voltages, and has connectors that are simpler to connect and use.

All Amateur Radio ALE channels use " USB " Upper Sideband standard.

Magnetic disk and tape storage devices generally use fixed-rate RLL codes, while USB uses bit stuffing.

A USB Phone TSP ( Telephony Service Provider ) was also included which allows an application to control a USB phone and use it as a streaming endpoint.

This expansion bus allows the use of devices which comply with the AutoConfig standard, such as, graphic cards, audio cards, network cards and later even USB controllers.

The latter uses the USB port and the USB Human Interface Device class standards, is not intended for DOS use.

Freespace-enabled remote controls use radio waves to communicate with a USB antenna connected to a computer that is also connected to the television, so they do not need to be pointed at the PC, or even have a direct line of sight.

In more modern designs an auxiliary microcontroller is always kept running, so it is economical to use a power-up command over the standard USB channel.

These were very common up until about 2000, but are now fairly rare: the demise of the ISA slot added a little to the cost ; the great improvement in IDE technology ( particularly in the case of CD-ROM drives and CD recorders ) removed one major use, and the advent of USB made the expense of a SCSI interface unnecessary for most scanners.

Some modern boombox designs provide other connections for MP3 ( and sometimes other digital formats ) such as a USB connector for use with a removable USB drive, slots for various flash memory media such as SD, MMC, SmartMedia and Memory Stick, or even a CD drive capable of reading MP3s directly from a CD, thus allowing for a relatively cheap and large music storage to be carried and played back at full volume.

Softmodems can also be integrated in MiniPCI and PC cards for use in a portable computer, such as a laptop or palmtop computer, or connected via USB.