try to keep the frequency of the 2 wireless Aironet cards as far appart as possible. then run the test again. set one card for CH 1 ( or 2412 Mhz ) and the other to CH 11 ( or 2460 Mhz ) -Dan Kramarsky Speedband, Inc Los Angeles, CA. Wireless Internet Service www.speedband.com ===== Dan Kramarsky RF Engineer SpeedBand, Inc. =- Wireless Internet Service Provider -= phone: 909-551-7358 web: www.speedband.com __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com