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What is Advanced Mobile Phone System (AMPS)?
Advanced Mobile Phone System (AMPS) is the most common type of First Generation analogue cellphone network developed by Bell Labs. It was suited for voice rather than data communications and operated in the 800MHz frequency band using frequency division multiple access (FDMA) technology. As of February 18, 2008, carriers in the United States were no longer required to support AMPS.
total search3515 articles
2008-11-26 Mobile spectrum analyzers suit up for field work
Rohde & Schwarz is presenting two all-purpose instruments for mobile spectrum analysis: the R&S FSH4 and the R&S FSH8
2009-09-28 Mobile processors ups clock speed to 75
Intel's new processors give the best laptop experience for multi-threaded software, gaming, multimedia and business apps.
2014-12-08 Mobile phone chips lead IC market sales
This year, mobile phones are expected to account for 18 per cent of global electronic systems sales ($265.2 billion) versus standard PCs being 13 per cent ($196 billion) of the total, stated IC Insights.
2006-04-03 Mobile phone chip interface gets real
MIPI Alliance unveils plans to release interfaces for displays, PHY, audio and power management, and other peripherals in the next two years.
2011-11-17 Mobile patent punch-up survival guide
Experts believe that the disputes come at a time when priorities are shifting from circuits to systems in electronics patents, as products evolve to embrace systems of systems
2011-05-24 Mobile OS shakes applications processor market
A report from Strategy Analytics indicates that the mobile operating system landscape will face major applications processor market share ranking changes over the next 12 to 24 months
2012-07-26 Mobile OS sales to explode in the next five years
A report from Visiongain has predicted that the mobile operating system market will grow over the next five years
2004-06-28 Mobile operators unite to influence handset evolution
Eight leading cellular network operators joined forces Wednesday, June 23, 2004 to form the Open Mobile Terminal Platform to work on handset recommendations that major vendors like Nokia, Samsung, Motorola and Sony Ericsson will be expected to meet
2001-02-01 Mobile net demands optimized design
Manufacturers of mobile Internet systems will play a key role in delivering a new class of wireless services for entertainment, e-commerce and multimedia messaging.
2008-08-01 Mobile memories advance to lower voltage use
Low-power DDR2 (LPDDR2), a next-generation low-power memory technology for mobile and embedded designs being defined by companies participating in JEDEC standards, offers higher speed, lower-voltage operation, larger capacities and lower pin count than the current generation. This lets NVM share the same bus as SDRAM
2016-03-10 Mobile is Everything: MWC 2016 highlights
Have a look at the highlightsthe new products unveiled and new announcements at recently concluded Mobile World Congress 2016 held in Barcelona, Spain
2016-03-28 Mobile ID to enhance digital security
A Mobile ID saves one the trouble of keeping multiple passwords and security questions, allowing the user to be recognised securely in one device, while other devices in proximity are unlocked automatically
2009-05-19 Mobile I/O expander packs ambient light sensing
Analog Devices Inc. has launched a mobile I/O expander and QWERTY keypad controller with ambient light sensing for smart portable devices that require a large keypad matrix and expanded I/O lines
2007-07-11 Mobile I/O companion ICs target portable products
A mobile I/O companion family from National Semiconductor enables designers to easily expand system functionality in portable products such as personal digital assistants, media players, instrumentation, medical equipment and mobile handsets
2007-08-27 Mobile hydraulic sensor touts CAN bus interface
MTS Systems' Sensors Division has developed a compact position sensor, based on the company's Temposonics technology, with a CANbus interface
2005-08-16 Mobile handsets are dialing up Linux
Manufacturers are beginning to view Linux as a universal solution that can be leveraged across a broad range of devices.
2003-05-08 Mobile handset sector grows, albeit slowly
iSuppli Corp. said the gravy train has officially left the station while the 3G express has been downgraded to a local.
2007-10-08 Mobile GPS chip detects faint signal levels at -162dBm
Broadcom has rolled its first single-chip GPS solution that makes full use of the Global Locate architecture, and measures the faintest GPS signals at levels as low as -162dBm.
2007-04-13 Mobile gadgets to propel use of micro fuel cells
An Innovative Research and Products report reveals that micro fuel cells are poised for big growth with the high energy requirements of portable products.
2008-06-26 Mobile firms, operators join forces on open mobile platform
Nokia Corp.'s announcement that it would pay about $410 million for the 52 percent of Symbian Ltd has sealed the deal to creating the foundation that will develop an open, free-for-use platform for mobile phones
2008-02-15 Mobile execs agree on cooperation, disagree over WiMAX, LTE
Cooperation emerged as the theme of Cisco Systems CEO John Chambers' keynote at the Mobile World Congress, but Chambers and another wireless executive each touted separate wireless network technologies as a future standard.
2006-09-07 Mobile encoder fully addresses video convergence
Envivio said the 4Caster M2 encoder fully addresses video convergence by supporting any mobile device on any network
2015-01-20 Mobile DRAM market to gain from rising tablet sales
Market size for tablet mobile DRAM by revenue was $1.51 billion in 2014, and is predicted to reach $2.5 billion by 2018, a growth rate of 9.3 per cent, according to TechNavio
2013-08-28 Mobile devices, cloud services to drag mobile storage market
TrendForce believes that it is unlikely that the growing demand for low-to-mid end mobile devices will help increase average storage capacity
2009-08-11 Mobile data transfer: Speed vs. ease of use
The concept for this article is to look at download speeds across three different interfaces, USB, Wi-Fi and 3G, to compare and contrast the speed and ease of use.
2012-08-14 Mobile core gateway spending to reach $1.2B this year
Despite cut-backs in network equipment spending by mobile network operators due to the dull economy, purchases of mobile core gateway equipment for packet core networks are set to rise
2011-06-21 Mobile cloud set to overtake home connectivity
Market analyst ABI Research's new report forecasts that mobile cloud services could outpace smartphone home network connectivity
2008-08-25 Mobile broadband has 50M users today, notes GSMA
The GSM Association announced that the number of worldwide subscribers using Mobile Broadband (HSPA) networks has topped the 50 million mark from 11 million a year ago
2011-05-03 Mobile broadband boom creates 3,071 new HSPA devices
A GSA survey reveals that 3,071 new HSPA devices were introduced in the market and confirms 30 percent annual growth of the industry.
2008-03-05 Mitsubishi Electric exits mobile handset biz
Mitsubishi Electric has decided to discontinue its mobile handset business in Japan, and to strategically shift resources to the communication-related business
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