Aplab Limited offers 3.4GHz Universal Counter - Model 1120 / 1120X. The company Aplab is an ISO 9001-2000 certified one and is the manufacturer and exporter of Test and Measurement Instruments. The product 3.4GHz Universal Counter is a low cost and portable device. 3.4GHz Universal Counter has a frequency Range of 10Hz to 3.4GHz [typically 1Hz to 3.4GHz]. 3.4GHz Universal Counter features a High Stability Oven Controlled Crystal Oscillator Time base [For 1120X only]. The 3.4GHz Universal Counter features external Oscillator Input Facility and LO-PASS Filter for Noisy Low Frequency Signals