The APC-CA18-SMNM-0.5M from Atlantic Microwave is a RF Cable Assembly with Length 19.68 Inches (0.5 Meter), Attenuation 1 to 2 dB/m, Capacitance 85 pF/m, Frequency DC to 18 GHz, Temperature -55 to 85 Degree C. More details for APC-CA18-SMNM-0.5M can be seen below.