Aplab Limited produces 1.3GHz Frequency Counter, Model 1122 / 1122X. The company Aplab is an ISO 9001-2000 certified one and manufactures and exporters of Test and Measurement Instruments. The product 1.3GHz Frequency Counter has a wide Frequency Range of 0.2Hz to 1.3GHz. 1.3GHz Frequency Counter is available with 2 Separate Channels for Low and High Frequencies. 1.3GHz Frequency Counter is known for its High Sensitivity. The salient features of the 1.3GHz Frequency Counter: