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Features: Coaxial RF of LAN cable checker with BNC or RJ-45 jack Detect cable status(open, short or good) and measure the distance to the default point with only one set at one-end of cable. Mapping function : each pair of wires in cable has a corresponding LED which light if the pair is present. Green light indicates the pair is straight-through (for data) and yellow light means the pair is reversal(for voice) Characteristic impedance are selected by button

Specifications

Cable and connector type : Coaxial RF or LAN cable with BNC jack or RJ-45 jack  Cable length : 1m~300m(3.28ft ~984.24ft)  Resolution : (±7%+1m)  Cable characteristic impedance range : 50W(RF or MW cable) / 75W(video apparatus cable) / 100W(twisted pair type LAN cable) Power source : 4pcs of 1.5V AA alkaline batteries or equivalent  Dimension : 76mm(W) X 195mm(H) X 45mm(D) Accessories : carrying case, alligator clip adapter