Rohde & Schwarz CMS 42Y

Rohde&Schwarz CMS42Y Radiocommunication Service Monitor, equivalent to the civilian CMS57 but with the following options: B49 Duplex Mod. (adjacent channel power meter) B34 Additional output power for off-air measurements B22 10 MHz reference frequency input / output, external synchronization for measuring systems Radiocommunication Service Monitor 0.4 - 1000 MHz