{"product_id":"9v-frequency-meter-500mhz-high-precision-reader-rf-radio-frequency-measuring-instrument","title":"9V Frequency Meter 500mhz High Precision Reader RF Radio Frequency Measuring Instrument","description":"\u003cstrong\u003eFeature:\u003c\/strong\u003e  \u003cbr\u003e   \u003cbr\u003e Operating voltage: 9V  \u003cbr\u003e Test frequency range: Within 500mhz get high precision, more than 500mhz test results for reference only!  \u003cbr\u003e Test frequency type: RF radio frequency, such as walkie-talkie and other wireless devices. At the same time can also be measured cable frequency!  \u003cbr\u003e How to use: Power on to test. Board comes with adjustment capacitor, you can manually calibrate!  \u003cbr\u003e   \u003cbr\u003e   \u003cstrong\u003eSpecification:\u003c\/strong\u003e  \u003cbr\u003e   \u003cbr\u003e Input signal amplitude: 0.5-5V  \u003cbr\u003e Input impedance: 20-200 ohms  \u003cbr\u003e Best impedance: 50 ohms  \u003cbr\u003e   \u003cbr\u003e   \u003cstrong\u003eNote:\u003c\/strong\u003e  \u003cbr\u003e   \u003cbr\u003e 1, Can not use more than 9v voltage for power!  \u003cbr\u003e 2, The test frequency is wide, and this product don't comes with gain antenna, you can DIY antenna gain, can effectively increase the test range!  \u003cbr\u003e 3, If you do not know how to make antenna, a wire is also possible.  \u003cbr\u003e   \u003cbr\u003e   \u003cstrong\u003ePackage includes:\u003c\/strong\u003e  \u003cbr\u003e   \u003cbr\u003e 1 x 9V Frequency Meter  \u003cbr\u003e   \u003cbr\u003e   \u003cbr\u003e   \u003cimg src=\"https:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/56\/EA\/049bb171-2792-e3a4-eedc-f2d1e70c000d.jpg\"\u003e  \u003cbr\u003e   \u003cbr\u003e   \u003cimg src=\"https:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/56\/EA\/f91b87ec-6397-2c49-1e1c-38a97c14d5cf.jpg\"\u003e  \u003cbr\u003e   \u003cbr\u003e   \u003cimg src=\"https:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/56\/EA\/bf57cdea-f988-f62c-1311-fe3d9cd594a0.jpg\"\u003e  \u003cbr\u003e   \u003cbr\u003e   \u003cimg src=\"https:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/56\/EA\/14420ea1-30fc-181a-ad77-b2fc9052d11e.jpg\"\u003e  \u003cbr\u003e   \u003cbr\u003e   \u003cstrong\u003eTest pictures, for reference only:\u003c\/strong\u003e  \u003cbr\u003e   \u003cbr\u003e   \u003cbr\u003e   \u003cimg src=\"https:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/56\/EA\/7eee223f-b0b0-fcf7-6831-e9f513459848.jpg\"\u003e  \u003cbr\u003e   \u003cbr\u003e   \u003cimg src=\"https:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/56\/EA\/c74db773-ab47-b088-23a8-361f97e5e3e6.jpg\"\u003e  \u003cbr\u003e   \u003cbr\u003e   \u003cimg src=\"https:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/56\/EA\/e89477c0-eb2f-7b24-089c-9c3f2ee3ab04.jpg\"\u003e","brand":"ZHIQIAN","offers":[{"title":"Default Title","offer_id":43935725519043,"sku":"ZHIQIAN-018703","price":672.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/wrsss.com\/products\/9v-frequency-meter-500mhz-high-precision-reader-rf-radio-frequency-measuring-instrument","provider":"Wrsss","version":"1.0","type":"link"}