Designed for a wide frequency range of 100KHz to 10GHz, this high-performance module ensures excellent clarity in a variety of applications. It features a significant 20dB gain that effectively boosts weak signals, making it an ideal choice for applications. Built-in battery, compared to other modules with built-in batteries on the market, it offers flatter and consistent gain, lower noise floor, smaller size, and longer battery life. Wide frequency range: 100KHz to 10GHz, allowing for flexible use in different environments. Low noise: minimizes background noise, providing clear, strong signals. Wide range of uses: ideal for telecommunications, broadcasting, and research environments. Model: ZK09-BM Nominal frequency: 100kHz - 10 GHz Operating current: Charging current: 210mA Total current: 260mA Battery life: about 5 hours The product appearance and printed words depending on the batch, but this does not affect use. Colour:Black Material:Metal Package Contents: 1 * Low Noise Amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.