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| Impedance | 50Ω,75Ω | 
| Frequency range | DC-4GHz | 
| Working voltage | 500V r.m.s at sea level | 
| Withstanding voltag | 1500V r.m.s at sea level | 
| Contact resistance | Center contact≤1 .5mΩ Outer contact≤1mΩ | 
| Insulation resistance | ≥5000MΩ | 
| Center conductor retention force | ≥0.57N | 
| Insertion loss | ≤0.20dB/3GHz | 
| Durability(mating) | ≥500次(Cycles) | 

                TYPE BNC is one kind of RF coaxial connectors using a bayonet type coupling mechanism,characteristic
impedance  has  two  types:50Ω and 75Ω. They  can  be  quick  connect  disconnect、reliable lock  etc.they are 
widely used in connection with the RF coaxial cables in computer field,network of wireless、medical equipment
and electronic instrument.
    