Passive intermodulation measurement device and relay unit including the same

摘要: A passive intermodulation (PIM) measurement device for measuring a PIM in at least one of installation equipments and distribution network within distributed antenna system (DAS), the included relay unit DAS, includes pulse generation unit, detection controller. The generates two-tone signal having frequencies different from each other. detects (IM) signals fed back or corresponding to propagation signal. controller information based on fed-back IM