High Impedance Amplifier Small Loop Antenna 300MHz Doughnut Short Wave Antenna

Description

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High-impedance amplifier is mainly used for passive antenna receiving matching, suitable for sweet Donut Resonant Antenna, Whip Antenna, Whip Antenna, Magnetic Rod Antenna, etc. High-impedance amplifier, can be used in any radio receiver, radio SDR walkie-talkie, etc., Malachite, Small Loop Antenna, for HackRF One, Donut antenna, Mini Loop, Radio Antenna , the tuning ring. And other models) higher input impedance can get as much energy from the input antenna as possible, reduce the signal energy loss caused by unstable input antenna impedance, and greatly improve the receiving performance. Since the impedance generated by the LC resonance is also very high, this amplifier can be directly connected to the LC resonant antenna to obtain energy directly from the resonant antenna, which can obtain higher gain and frequency selection characteristics. The LC resonant antenna includes the donut antenna. Magnetic Rod Antenna, etc. Specifications: 1. Input impedance: 1MΩ 2. Output impedance: 50Ω 3. Gain: 0dB 4. Bandwidth: 300MHz 5. Charging voltage: 5V 6. Built-in battery capacity: 800mAH 7. Charging current: 600mA 8. Working hours: >24h Package Include: 1* High Impedance Amplifier Shipping Returns Contact Us Payment 1. Items sent from US warehouse. 2. Receiving time = Processing time + Shipping time. 3. Processing Time: Around 1-2 business Days. 4. Shipping Time: 3-5 business day. It may have a little delay during some holiday (such as Christmas), any problem, please feel free to contact. Always believe we can figure things out with communication, if it comes to return, the pacakge must be intact and the same as you receive. If you have any questions, please feel free to email our service specialists 24 Hours a Day, 7 Days a Week. We will reply you ASAP. Return/refund is accepted within 30 days after the buyer receives the item. NO exchange will be accepted after 30 days from the date when the item is received. Please contact us first before returning your product!!! If you have any questions, our Customer Service staffs welcome you to email us. We strive to answer all questions and resolve any problems as quickly as possible. We care about our valued customers, and will always try to help you. So if you have any problems, You can contact us 7*24, we will reply at the first time. We accept all verified payments from ebay. Orders will be shipped after receiving cleared payment. Shipping 1. Items sent from US warehouse. 2. Receiving time = Processing time + Shipping time. 3. Processing Time: Around 1-2 business Days. 4. Shipping Time: 3-5 business day. It may have a little delay during some holiday (such as Christmas), any problem, please feel free to contact. Returns Always believe we can figure things out with communication, if it comes to return, the pacakge must be intact and the same as you receive. If you have any questions, please feel free to email our service specialists 24 Hours a Day, 7 Days a Week. We will reply you ASAP. Return/refund is accepted within 30 days after the buyer receives the item. NO exchange will be accepted after 30 days from the date when the item is received. Please contact us first before returning your product!!! Contact Us If you have any questions, our Customer Service staffs welcome you to email us. We strive to answer all questions and resolve any problems as quickly as possible. We care about our valued customers, and will always try to help you. So if you have any problems, You can contact us 7*24, we will reply at the first time. Payment We accept all verified payments from ebay. Orders will be shipped after receiving cleared payment. 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