Ultra-high gain 60dB: Greatly improve the ability to receive weak satellite signals and enhance GPS/Beidou/GLONASS positioning accuracy. Ultra-low noise 0.6dB: Industry-leading noise performance, ensuring signal purity and reducing signal distortion. Wide frequency band coverage 1.1-1.7GHz: Perfect support for GPS L1/L2, for Beidou B1/B2/B3, for GLONASS L1/L2 and other satellite bands. High linearity output: +20dBm (100mW) @1dB compression point, suitable for high dynamic range receiving systems. Low power design: only 5V power supply, 205mA current, energy-saving and efficient, suitable for portable devices. Standard SMA interface: 50Ω impedance matching, plug and play, compatible with mainstream RF equipment. Technical parameters: Frequency range: 1.1-1.7GHz (measured support up to 1.8GHz) Gain: 60dB (typical value, 1.7GHz) 1.1GHz: 61dB / 1.2GHz: 62dB / 1.3GHz: 62dB 1.4GHz: 63dB / 1.5GHz: 62dB / 1.6GHz: 61dB Noise figure: 0.6dB (optimal value), 0.8dB (typical value) Output power: +20dBm (100mW @1dB compression point) Operating voltage: 4.5-5.5V DC (5V recommended) Operating current: 205mA Impedance matching: 50Ω Interface type: SMA female (external screw inner hole) Application areas: Star navigation enhancement: for GPS, Beidou, GLONASS and other positioning system signal amplification, improve weak signal reception capability. Drones and mapping equipment: Extend RTK positioning distance and improve high-precision positioning stability. Ship/vehicle navigation: Improve satellite signal reception in complex environments (such as tunnels and jungles). RF testing and laboratories: Amplify weak signals and enhance the front end of spectrum analyzers. Notes:The input signal strength is recommended to be less than equal -30dBm to avoid distortion caused by