... millimetres.268 Antennas for UWB Applications–30–25–20 15 10 –50–30–25–20 15 10 –50ls = 11 mm= 12 mm= 13 mm|S 11 |, dB|S 11 |, dB2 3 4 5 6 7 8 9 10 11 Frequency, GHz2345678 910 11 Frequency, ... 289Keep-out zone 20Laptop computer 4, 5, 7, 50, 11 3, 12 4, 12 6, 13 4, 13 7, 14 8–9, 15 7–9, 16 1–3,2 31, 270LCD 11 4LCD treatment 11 8Link budget model 12 9– 31 log-periodic 236, 248Loss resistance 89–90Loss(es)Unexpected ... patterns 11 , 16 , 27, 43, 54, 72, 83, 10 1, 13 2, 13 3Radiation resistance 15 , 51, 89, 90, 219 , 234Recycling 41 ReflectionReflection loss 17 Return loss 12 , 53, 84SAR 13 , 44Limits 13 , 14 , 28Standards...