1)Operating frequency: 0.1-2000MHz 2)Operating voltage: 9-12V (suitable for Li-ion battery power supply) 3)Working current: 37mA 4) Amplification gain: 32dB (typical value) F= 0.1MHz, gain=32dB F= 500Mhz gain=32dB F=1000MHz gain=29dB F=1500Mhz gain=25dB F=2000MHz gain=20dB 5) Maximum output: 13dBm (20mW) 6) Noise factor: 1.9dB 7) System impedance: 50 ohms 8) connector type: SMA-K (female head outer screw inner hole) material: metal Color as shown Package Contents: 1 x Rf Wideband Low Noise Amplifiers 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.