The VIA Echo series antenna testers from AEA Technology are compact and lightweight hand-held 4 MHz to 2.5 GHz vector network analyzers available in three economical models. Two of the models in the series also integrate a spectrum analyzer, power meter and FDR. All models are rugged, durable and have dual ports S11 and S12. They have a quarter VGA backlit LCD screen, rechargeable NiMH batteries, full VNA testing, frequency and bandwidth selection, a cable null feature and 250 memory slots that also serve as stored test setups. All models include the Echo PC Vision software, a USB cable and open/short 50 ohm terminators. They also come with an AC recharger, a belt case, a quick-start guide, operating manual and a soft carrying case.
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