{ "item_title" : "Information Technology", "item_author" : [" Virendra Kumar Tiwari "], "item_description" : "The document covers key concepts in modern communication technologies, focusing on: Wireless Communication - Explains data transmission without cables, using protocols like Wi-Fi, Bluetooth, and cellular networks (2G to 5G);Access Techniques: describes how users share network resources through methods like FDMA, TDMA, and CDMA;Generational Advancements summarizes the evolution from 1G analog to high-speed, low-latency 5G, with a glimpse into upcoming 6G technology;VOIP and Bluetooth - Details Voice over IP for internet-based calls and Bluetooth for short-range data exchange;GSM highlights GSM's role in global mobile communication, supporting SMS and international roaming.This provides a foundation in IT communication essentials.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/3/65/994/493/3659944939_b.jpg", "price_data" : { "retail_price" : "63.00", "online_price" : "63.00", "our_price" : "63.00", "club_price" : "63.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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