IT Trends and Technology IV

UNIT–IV

• What is RF
• Data Rate, Definition, Advantages disadvantages
• Wireless Services :
• What is wireless Communication,
• Mobile Technology: 1G,2G,3G,4G
• IMEI Number
• What is SIM
• IP Telephony and VOIP
• Softphone
• Voice Mail
• Ad-hoc & Sensor Network
• GIS
• ISP
• Mobile Computing
• Types of Wireless Communication: Cellular System Cell, GSM, GPRS, UMTS, LTE,
• Types of Wireless communication: WPAN, WLAN, WMAN, WWAN with example,
• Bluetooth, WiFi.Wimax
• Hands Off
• Base Station