The new R&S®ADD557SR direction finding and monitoring antenna system covers the frequency range from 20 MHz to 6 GHz/8.5 GHz (direction finding/monitoring) for both vertical and horizontal polarization in fixed, mobile and transportable applications.

R&S®DDF550 快速宽带测向机具有出色的实时带宽和测向扫描速度，以及一流的测向精度、灵敏度和抗扰性。

R&S®DDF5GTS 高速扫描测向机具有出色的实时带宽和测向扫描速度，以及一流的测向精度、灵敏度和抗反射性能。