Adopt: NPN transistor Supply 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 (NF) 1,2 dB (20 mA 50 MHz) Low Noise Figure (NF) Less than 2 dB (60 mA 50 MHz) Low noise figure (NF) 2,3 dB (20 mA 150 MHz) IP3 34dBm High output power up to 26 dBm Variable ATT gain 0 to 18dB 2. Purpose: High IP, Low Noise RX Preamplifier - RX Antenna buffer amplifier driver amplifier 3. Operating frequency: 0.1 MHz to 60 MHz; 4. Power supply: DC11-14V, 200MA Material: PCB colour: As shown Package Contents: 1 x Preamplifier Only the above package content, other products are not included. Note: Light shooting 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.