Welcome to our store！</br> 1、Main Application: Requency test board demo kit is used for learning vector network analyzer VNA, calibration and learning. 2、Circuit Resistor And Notch Filter: RLC series parallel circuit 1. RLC series parallel circuit 2. 33 ohm resistor, SWR standing wave=1.5. 75 ohm resistor, SWR standing wave=1.5. BSF ceramic notch filter, center frequency 6.5MHz. BPF ceramic filter, center frequency 10.7MHz. 3、Circuit Capacitance Inductance Filter: RC series circuit. LC series circuit. Capacitance. Inductance. LPF self made low pass filter with a 3dB bandwidth of 400MHz. HPF self made high pass filter with a 3dB bandwidth of 500MHz 4、Calibration Circuit And Attenuation Circuit: Short circuit calibration circuit. Open circuit calibration circuit. 50 ohm load calibration circuit. Straight through. 10dB attenuation circuit. 3dB attenuation circuit. 5、Package List: Package Included 1x RF Tester Board, 2 x 20cm Adapter Cable, providing you great using experience. <p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type:&nbsp;RF&nbsp;Test&nbsp;Board Product Material: PCB Weight: Approx. 49g / 1.7oz Adapter Cable&nbsp;Length: Approx. 20cm / 7.9in <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1x RF Tester Board 2 x Adapter Cable Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>