I Figure 5-7: Wireless Propagation Problems Electromagnetic Interference (EMI) from Other stations Microwave 2. ovens, etc Attenuation: signal gets weaker with distance Blockin Object shadow Zone (Dead Spot) 5-135-13 Figure 5-7: Wireless Propagation Problems 2. Attenuation: signal gets weaker with distance 3. Shadow Zone (Dead Spot) 1. Electromagnetic Interference (EMI) from Other stations, Microwave ovens, etc. Blocking Object