Description:100% brand new and high qualityHigher reliability and durable quality.0802 LCD display, low-power consumption.Standard interface for easy connections with other tests or antennas.Input is via an SMA jack (female).Specifications:Color: Dark GreenMaterial: PCB + FR4Power Mode: 9V Battery (Not Included)Display: 38 * 16mm LCD DisplayItem Size: 60 * 33 * 26.5mm / 2.36 * 1.30 * 1.04inItem Weight: 45g / 1.54ozPackage Size: 11 * 6 * 3cm / 5.91 * 4.72 * 1.18inDisplay: Digital 0802 LCDTemperature: When operating: 0~40C, when stored: -30~60CWorking elevation: 0 to 2000 metersRelative humidity: non-condensing <10 CType of battery : 6F22 type 9vWorking power: DV=9VWorking current: typical working current 30mATest frequency: 1 ~ 500 MHz, the limit is 640M, the accuracy of the over-range part will be lowerResolution: 100HzNote:Accuracy can only be adjusted to the second digit of the decimal point, less than one-tenth of the precisionInstructions:Connect to the 6F22 9v battery, toggle the switch, and connect to the signal source under test after power on.This frequency meter interface is SMA.Package Included:1PC*High Accuracy RF Frequency Counter Meter 1~500 MHz Tester Module For Ham Radio