... range :0-1200mm, the minimum display range 0.1mm2. Operating Frequency: 0.3 ~ 20MHz,sub-broadband, narrowband two tranches3. ... Pulse repetition frequency: in total 10tranches, frequency adjustable.4. Gain: 0-110dB, 0.5 ... Testing wave modes: positive, negative,bi-directional, radio frequency (RF)6. Monitoring Gate: two independentmeasurement gates.7. Echo ...