LED SWR Meter, 3-30MHz Frequency Shortwave Standing Waves Indicator for Television Broadcasting

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LEDs: It can be used to measure radio frequency sign als, it uses 5 LEDs to indicate the strength of the sign al, with different colors of LEDs to indicate different SWR ranges.
^^ Suitable for: It is used to test the SWR of shortwave radio sign als in the frequency ranges of 3-30MHz. The input power does not exceed 100W, and the smallest LED (u003e 1.0 corresponding to the green light) light requires 5W power, suitable for various shortwave radio equipment. This equipment is commonly used in radio communication systems such as radio broadcasting, television broadcasting, and radio communication.
^^ Practical Function: It helps the operator to determine the strength of the sign al and thus adjust the settings of the radio equipment, to improve the quality and reliability of the sign al.
^^ Portable and Compact: Compact and lightweight, powered by RF-tapped power, with no batteries required, and easy to carry, very suitable for amateur radio enthusiasts to use in the field.
^^ Easy to Use: The entire circuit has no component that need to be adjusted and will work properly as long as the connections are correctly. IN is the RF input and OUT is the RF output. The IN terminal connects to the radio and the OUT connects to the antenna. It can be used without any calibration and adjustment in the shortwave ranges, which is very simple and convenient for the DIY hobbyist. ^^ ^^ ^^ ^^ ^^