The 861V series “F” V-Bite is available in several designs. The 861V509E is made for a lower cost, lower frequency (1 GHz) application and is suitable for wave solder only. The 861V509ER is also made for lower frequency applications and is suitable for both wave and re-flow solder. The 861V509ER6 is the higher frequency design which accommodates 3 GHz applications. It is suitable for both wave and re-flow solder.