AT 21产品概述
Right Angle Telescoping Antenna
The model 1856D provides versatality and reliability for a broad spectrum of laboratory and service applications.
Features
RS-232 Interface
Wide Measuring Range Up to 3.5 GHz
Bright Nine Digit LED Display
Period Mode for Accurate Low Frequency Measurement
Totalize Mode Permits Counting of Individual Events
Accurate TCXO Time Base