Gy561 Handheld Frequency Counter Meter for 2 Way Radio Walkie Talkie

Description : Gy561 Handheld Frequency Counter Power Meter for 2 Way Radio Walkie Talkie This product is quite convenient to use and reliability. Mainly for the measurement of radio transmitting equipment (such as handheld radios, vehicle-mounted radio) output power, and frequency. Specification : Response time : 0.2s Auto power off time : 80s Frequency range : 1Mhz---2400Mhz RF power range : 0.1W---50W Current consumption : About 100mA Impedance input : 50Ohm accuracy : +/- 10% when the frequency is 140Mhz~170Mhz,400Mhz~470Mhz Working tempreture : 0~40 Battery : 1.5V(AAA) x 3 Package Includes : 1 x GY561 Frequency Counter 1 x SMA Test Line (Female Joint) 1 x BNC Adaptor 1 x English User Manual 3 x 1.5V AAA Details Pictures :