Enhance your radio communications with our powerful RF Power Amplifier. This amplifier boosts signals from 1 to 1050 MHz, ensuring clear transmission over various frequencies Applicable to DTMB amplification and transmission Durable and reliable, designed for both hobbyists and professional users Easy to integrate with existing setups, ensuring seamless operation and enhanced signal strength 1-1050MHz RF linear power amplifier Working frequency: 1-1050MHz Working voltage: 12-18V Working current: 400-600mA Amplification gain: 32-36dB Output power: 3W (typical value), maximum 3.5W Working state: Class A linear Connector type: SMA standard female (external screw inner hole) The product appearance and printed words may vary depending on the batch, but this does not affect use Colour:Silver Material:Metal Package Contents: 1 x RF Power Amplifier 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.