最近2019年日本中文字幕免费,亚洲色久悠悠av在线观看,蜜桃成人无码区免费视频网站,秋霞鲁丝片成人无码

Companies in just about every industry are looking to wireless technology to connect serial devices and avoid the high cost of installing cable. Low-cost wireless links reduce installation and maintenance costs and provide mobility. However, designing an effective wireless-networking solution requires an understanding of today’s complex wireless technologies, their benefits, and their trade-offs.