NTC182-58R49-0240-K0B 58R = Precision 2.4 mm NMD female, 49 = Precision 3.5 mm male, 0240 = 24.0" overall length, K0B = Non-metallic, black conduit covered with PET braid. Application: Test. Operating frequency 0.05 - 26.50 GHz, VSWR 1.35:1 Max., Insertion loss 2.0 dB Max