Note: 2.4 GHz phones are not an issue in the UK(Eur), as DECT phones operate from 1.88 GHz to 1.9 GHz. Wi-Fi (IEEE 802.11b/g) wireless keyboard , PDA , and/or cell phone . 2.4 GHz wireless gamepad and/or controller. RF Excited Lighting ( e.g., Fusion Lighting). See Part 18 RF Lighting,