10 MHz to 26.5/43.5/50/67 GHz (R&S®ZNA26/43/50/67) 10 MHz to 110 GHz (R&S®ZNA67EXT)  four port models  Excellent RF-performance Up to four integrated sources Unique and intuitive touch-only operation

實驗室67GHZ VNA keysight 品牌已完成建立