Electrical
Characteristic Impedance 75 Ohms
Voltage Rating 500 Volts RMS
Return Loss Less than -36 dB to 1 GHz;
-25 dB to 2 GHz;
-23 dB to 3 GHz;
-20 dB to 5 GHz
Contact Resistance Center Contact .0014 Ohms
Outer Contact .002 Ohms
Insulation Resistance 5000 megohms
　

Mechanical
Durability 500 Cycles Min. Center Contact
Center Contact Retention 6 lbs. Minimum
Coupling Mechanism 100 lbs. Minimum
Force to Engage/Disengage Torque 2.5 in-lbs. Max.;
Longitudinal force 3.0 lbs. Max.
Interface Dimension MIL-C-39012 except 75 Ohms

Environmental
Thermal Shock -65°C to +165°C
Moisture Resistance 0 to 95%: MIL-STD-202
Method 106
Corrosion (Salt Spray) MIL-STD-202 Method 101
Test Condition B
Flammability UL 94-VO Rated
(Center Conductor Insulator)
Vibration MIL-STD-202 Method 204
Test Condition B
Solvent Resistance MIL-STD-202 Method 215
Finishes
Body/Bayonet Nickel
Center Conductor 50 millionths inch gold plating
over copper plate

Keyword: belden, google, gmail, wikipedia, 維基百科, MIL-STD-202, UL 94-VO, MIL-C-39012, Kings-2065-8-9
Kings2065-7-9, 75 Ohm, RF高頻同軸電纜, RG-59 BNC接頭,  Belden 8241A, Belden7731A,