Features: 1.N And High Quality,The High-Frequency Power Amplifier Amplifier Must Be Connected To The Nominal Load Before Powering On (Default 50) 2. Made Of High Quality Material, And Wear-Resistant 3. Nice Replacement For Broken Or Old One, Make You Device Work Properly 4. High Quality For Professional Use,Used For SSB, Am Linear Power Amplification, CW, FM Power Amplification, And The Most Basic Signal Amplification Expansion, Etc. It Can Also Be Applied To Currently Popular Applications Such As Rfid. 5. Need A Professional To Install The Corresponding Accessories To Avoid Damage To The Accessories Description: 1. Overall Gain: Above 40DB; 2.Input Power: 0.1-1MW 3.Output Power: 45W (Max) 4. Output Impedance: 50, Can Be Adjusted Between 10-200 As Needed 5. Input And Output Interface: Standard Sma Interface, External Thread And Internal Hole Material: Aluminum PCB colour: As shown Package Contents: 1 Set x Finished High-Frequency Power Amplifier Module (With Enameled Wire) 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.