Wireless networks and their basic operation, different types of wireless technologies and systems, the basics of how they operate, different types of wireless voice, data and broadcast services, key commercial systems. Wi-Fi wireless networks, Bluetooth wireless technology, GSM cellular networks, cellular internet access via Wireless access protocol (WAP), GPRS and UMTS networks, wireless networks operating system; Symbian OS, Palm OS. Mobile IP and Mobile routing, Transport layer over wireless networks, Mobile wireless network applications.