April
National Association of Broadcasters '99 in Las Vegas, April 17-22, 1999

May
Networld+Interop '99 in Las Vegas, May 10-14, 1999

June
Supercomm '99 in Atlanta, June 6 - 10, 1999

September
IEEE Wireless Communications and Networking Conference 1999 in New Orleans, September 21-14, 1999