The Microchip RN-UFL-SMA6 is a 6" coax cable with U.FL and male SMA connector for use with a reverse polarity (female) antenna. This coaxial cable by Microchip is made up from a silver/copper material and has a nominal impedance of 50 ±3 Ohms. The conductor size is 0.08 whilst the insulations average thickness is 0.22.