... With the support of fast response in high frequency receiver and amplifier and 400MHz high-speed sampling technology, the underside of ... greatly improved, therefore it’s much easier to detect and identify small cracks.Technical ParametersFrequency: 0.5~15MHz, broadband ... playback, comparison, help, etc.Interface: USB, RJ-45, and Encoder InterfacePower supply: AC/DCBuild-in battery: lithium battery, 14 ...