The MS27103A from Anritsu is a remote spectrum monitor designed with sweep rate capabilities up to 24 GHz/s, and covers the 9 kHz to 6 GHz frequency range. It is housed with 12 RF inputs, but the option can be made for 24 ports for use with multiple antennas. The monitor is designed for outdoor environments in applications such as jail/prison monitoring, facility security, RF lab testing, illegal transmitter detection, or Positive Train Control (PTC).