AEA SWR [6050-5000] Site Analyzer Single N port, 100 KHz to 1.0 GHz. SWR Site Analyzer with VSWR, Return Loss and FDR(Frequency Domain Relectometer) measurements. Features full color backlit display with excellent daylight readability. 50 memory slots for saving plots to recall on the Site Analyzer or upload to a PC using Site Analyzer PC Vision™ software (included). It includes NiMH batteries with 3 hours continuous operation. Easy to navigate menus, user custom color settings and measurements plot displays. This makes it flexible for both the novice and engineer level person to use with minimal training. PC communications is via USB-2 (cable included).