The 21 SMA-50-2-5/111NE is a SMA-Type straight Coaxial Cable Connector with gold plated copper beryllium alloy body, gold plated copper beryllium alloy center and outer contact, PFA/PTFE insulator and copper crimp ferrule, suitable cable type RG_316_/U, ENVIROFLEX_316, RG_188_A/U, RG_174_/U.