Wireless infrastructure becomes the GaAs IC market

According to analysis by market strategy research company Strategy AnalyTIcs: The global market for the use of gallium arsenide (GaAs) semiconductors in wireless network infrastructure is expected to grow, from approximately US $ 205 million in 2011 to approxima

U.S. Dahl Investment invests 200 million U.S. dollars in Chengdu

On the 19th, Dahl Technology held a groundbreaking ceremony for its Chengdu production base in the Chengdu Hi-tech Comprehensive Bonded Zone. Upon its completion, the base will become Dahl’s largest global production base. The move also marks the formal

Is the power adapter for laptops universal?

Is the power adapter for laptops universal?

There are three obstacles to the power adapter that is not universal. The first is the different voltages used by notebook computers of various manufacturers. IBM is 16V, COMPAQ is mostly 18.5V, and some SONY models a

Design of Logistics Vehicle Monitoring Terminal Based on GPS and CDMA

Abstract: In recent years, the logistics industry has developed rapidly. A design scheme of logistics vehicle monitoring terminal based on GPS (Global Positioning System) and CDMA (Code Division Multiple Access) technology is proposed. The S3C2440 A ARM chip is used as the main control ch

Analysis of QoE in mobile communication network

This article analyzes the relationship between QoE (Quality of Experience) and other concepts (QoS, KPI / KQI), details the current status of QoE research by various standards organizations, and predicts the future development trend of QoE, and finally stands in operation