{"product_id":"1hz-300mhz-high-impedance-amplifier-impedance-conversion-device-for-intercom-donut-antennas-magnetic-rod-antennas-2","title":"1HZ-300MHz High Impedance Amplifier Impedance Conversion Device for Intercom Donut Antennas Magnetic Rod Antennas","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBattery Included\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDIY Supplies\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eElectrical\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003e1. High impedance amplifiers are mainly used for passive antenna reception matching, suitable for donut resonant antennas, rod antennas, whip antennas, magnetic rod antennas, etc.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003e2. A higher input impedance can extract as m-uch energy as possible from the input antenna, reducing the signal energy loss caused by unstable input antenna impedance and greatly improving reception performances.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003e3. Due to the high impedance generated by LCresonance, this amplifier can be directly connected to the LCresonant antenna, obtaining energy directly from the resonant antenna and achieving high gain and frequency selection characteristics. LCresonant antennas include donut antennas, magnetic rod antennas, etc.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003e4. Compact size and easy to use.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003e5. Built in 600mAh battery for long working time.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-family:Arial, Helvetica, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"start\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"font-family:Arial, Helvetica, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"start\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003eInput impedance: 1MΩ\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003eOutput impedance: 50Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003eGain: 0dB\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003eBandwidth: 300MHz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003eRe Charging voltage: 5V\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003eBattery: 3.7V, 600mAh\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003eRe Charging current: 600mA\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003eWorking hours: \u0026gt;24 hours\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003eItem size: 49 x 45 x 18mm \/ 1.9 x 1.8 x 0.7in\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color:rgb(34, 34, 34);font-size:16px;font-family:Arial, Helvetica, sans-serif\"\u003eItem weight: 59g \/ 2.1ounce\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"font-family:Arial, Helvetica, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"start\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"font-family:Arial, Helvetica, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"start\"\u003e\u003cstrong\u003ePackage List:\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv style=\"font-family:Arial, Helvetica, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\" align=\"start\"\u003e1 x High Impedance Amplifier\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7a362b69be3e4eff83a4d10a5fdaaaa65.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa15505130f0b474994b024f8caf38e9f6.png\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S07d8f75934a540b7a408eb12f770500bO.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7ce813fce8194a28afba5e2d62579708p.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2ced959251f2475eb63d15fd2d83101dn.png\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se9e00b34c30e48b6b90c5c37b1c0aaabk.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e","brand":"Great Scott Gadgets","offers":[{"title":"Black","offer_id":45807280455853,"sku":"1005009202511800-Black","price":22.81,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/7892\/0621\/files\/S07d8f75934a540b7a408eb12f770500bO_298698d7-8d46-4c4a-a815-c8c5655ffd99.webp?v=1773108186","url":"https:\/\/greatscottgadgets.ca\/products\/1hz-300mhz-high-impedance-amplifier-impedance-conversion-device-for-intercom-donut-antennas-magnetic-rod-antennas-2","provider":"Great Scott Gadgets","version":"1.0","type":"link"}