1.You can contact the customer service. for any question regarding the product.
2.Ask the question in English to get answer faster.
3.Keep your question short and to the point.
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receive in time thank you .tested at 9V no problemes....good gain . very good for the price. take care with the input level or you may have distortion.
Excellent LNA for SDR Receivers.
Tips:For questions about your order, place of delivery, product discount, taxation, delivery time, warranty, shipping, payment, exchange rate, and other questions unrelated to the product, please contact customer service.
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