Using: NPN istor; Voltage: 11 - 14 V, 180 mA (actual use); Broadband: 0.1 MHz to 60 MHz (11 dB @ 150 MHz) Gain: up to 18 dB; Low noise figure () 1,2 dB (20 mA 50 MHz); Low Noise Figure () Less than 2 dB (60 mA 50 MHz); Low noise figure () 2,3 dB (20 mA 150 MHz) IP3 34dBm; High output power up to 26 dBm; Variable ATT gain 0 - 18dB Purpose: High IP, low noise RX preamplifier - RX antenna Buffer amplifier Driver amplifier Operating frequency: 0.1 MHz - 60 MHz; Power supply: DC11-14V, 200MA DC socket: DC-022B, inner core 2.0, round needle Connector: 2*SMA female (outer tooth inner hole) Material: Aluminum alloy colour: blue Package Contents: 1 x HF Only the above package content, other products are not included. Note: Light 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.