1、Wide Operating Frequency Range: This antenna analyzer operates from 1.5MHz to 71MHz with six overlapping bands, including 110 to 185MHz, 300 to 490MHz for SWR measurements. 2、6 Basic Components: This antenna analyzer consists of six basic components, a variable oscillator, a frequency counter, a stand alone oscillator, a 50 ohm RF bridge detector, an A to D converter, and a microcontroller. 3、Excellent Aluminum Alloy Case: The case of this antenna analyzer is made of excellent aluminum alloy, which is sturdy, wear resistant and not easy to be damaged, and can satisfy the demand for sturdy structure and field testing. 4、Multifunctional: This antenna analyzer can test the SWR status of your antenna, measure the impedance and reactance components, and help you solve antenna problems. 5、Small And Portable: This antenna analyzer is small in size and light in weight, which is very convenient for outdoor portable use. Item Type: Antenna Analyzer Material: Aluminum Alloy Band Coverage: Approx. 160m/524.9ft, 80m/262.5ft, 40m/131.2ft, 20m/56.5ft, 30m/98.4ft, 10m/32.8ft, 15m/49.2ft, 6m/19.7ft, 2m/6.56ft, 70cm/27.6in RF Output Level: 2Vpp SWR Range: 1-9.9 Impedance Range: 10-500 Ohm External Power Supply: DC 10.8-12V Batteries: 1.5V AA Alkaline Batteries x 8 ( Shipped Without Batteries ) Power Consumption: <150mA (HF Band, B/F Off); <165mA (UV Band, B/L Off) 1 x Antenna Analyzer 2 x Connector 1 x Power Cord