Usage Tips:High Performance Low Noise Amplifier: Designed for high linearity and ultra-low noise, this preamplifier enhances signal reception across a broad frequency range from 100K to 6GHz, ensuring minimal signal degradation and maximum clarity. Convenient Connectivity: Equipped with an SMA female connector for easy and secure connection to various devices and antennas. Versatile Powering Options: Operates on a 5V supply with optional battery operation using a 3.7V 200mAH battery, making it suitable for both stationary and mobile applications. Comes in a static bag for safe shipping. Power supply:5V 70ma Frequency range:100K-6GHz Ultra-low noise figure, 0.4 dB NF at 1.95 GHz High gain at 1.95 GHz, 20 dB gain. High linearity, +35 dBm output IP3. High input power ruggedness, +22 dBm continuous wave High performance stability Stable performance. 50 ohm input/output. Connector:SMA female connector Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:As Shown Material:metal+PCB board Package Contents: 1 * Power Preamplifier 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.