... 1.3Ghz 2.period, totalize measure, self test 3.85dB high sensitivity 4.8digits LED display MCH Frequency Counter, HC ... -F1000L Frequency Counter Features Range HC-F1000C:1Hz~1GHz,Max.up to 1.5GHz HC-F1000L:10Hz ... ~1GHz,Max.up to 1. ... are subject to change without prior notice. HC-F1000L Frequency Counter, digital frequency counter, from ...