HP 437B Power Meter, Fully Tested, Single Channel

HP 437B Hewlett Packard Power Meter

HP 437B Single Channel Digital RF Power Meter - Unit Only

1dd Agilent HP Keysight 437B Single Channel Average Power Meter

HP 437B RF/Microwave Power Meter w/ Opt 003 GPIB

Agilent HP Keysight 437B w/ 002 Single Channel Average Power Meter

HP 437B Single Channel Digital Power Meter (No Sensor) (S19)

HP 437B RF Power Meter, 100kHz @ 50GHz, -70 @ +44 dBm. Option 401.