Features Wide Operating Frequency Range: This antenna analyzer operates from 1.5MHz to 71MHz with six overlapping bands, including 110-185MHz, 300-490MHz for SWR measurements. 6 BASIC COMPONENTS This antenna analyzer consists of six basic components, a variable oscillator, a frequency meter, a stand-alone oscillator, a 50 ohm RF bridge detector, a converter A to D and a microcontroller. Multifunctional: This antenna analyzer can test the SWR status of your antenna, measure impedance and reactance components and help you solve antenna problems. Excellent Aluminum Alloy Housing The housing of this antenna analyzer is made of excellent aluminum alloy, which is sturdy, wear-resistant and not easy to damage, and can satisfy the demand for sturdy structure and field testing. Small and Portable This antenna analyzer is small in size and lightweight, which is very convenient for portable outdoor use. Specification: Item Type: Antenna Analyzer Material: aluminium 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, 19.7ft ft/19.7 Feet, 2 m/6.56 feet, 70 cm/27.6 inches RF Output Level: 2Vpp SWR Range:1-9.9 Impedance Range: 10-500Ohm External power supply: DC 10.8-12V. Batteries: AA alkaline batteries 1.5 V x 8 (batteries not included). Power consumption: <150mA (HF band, B/F off); <165mA (UV band, B/L off) Package List: 1 x Antenna Analyzer 2 x Connector 1 x Power Cord Package List 1 x Antenna Analyzer 2 x Connector 1 x Power Cord