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front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |24 |25 |26 |27 |28 |29 |30 |review |
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- This is the most rapidly evolving world.
- Wireless communication for telephone, radio, InfoRad (IR) - GSM: messaging service, 9.6Kbit/sec (data rate), email and web surfing (possible), General Packet Radio Service (GPRS): 10sK~100sKbit/sec, Third Generation (3G): 2Mbit/sec, Internet-enabled camera: it is a digital camera transmits the images through the Internet. - Radio-based wireless LANs: DBS (Digital Buckett Satelite, 25Mbit/sec), LMDS/MMDS (cable altanatives, Mbit/sec), Richochet (2.4GHz bandwidth, 38~125Kbit/sec, 2way communication), Bluetooth (very small radio, desktop kind of communication, IP address based, few feet range) |