ABR Industries LMR-240 Ultra Flex Jumper.  PL-259 to PL-259  
This is a very high quality jumper by ABR industuries.
 
Capacitance 24.2 pF/ft
Impedance 50 Ω
Velocity 84%
Inner Conductor DC Resistance < 3.7 (Ω/1000 ft)
Outer Conductor DC Resistance < 3.89 (Ω/1000 ft)
Shielding Effectiveness > 90 dB
Inductance 0.060 μH/ft
Jacket Spark 5000 VAC Cut off
Frequency 31 GHz
Peak Power 5.6 kW
Return Loss ≤-18 dB (0.03-3000 MH