This Module Is A One-way Amplifier, That Is, It Can Only Mit, Not Receive. Power Supply Voltage: 24-28v Frequency Range: 600-1100mhz Output Power: 8w (p1, Pmax) Heat Dissipation Method: Automatic Temperature Control Active Cooling 1) Operating Frequency: 600-1100mhz 2) Operating Voltage: 24-28v 3) Operating Current: 800ma 4) Amplification Gain: 30db 5) Output Power: 8w (p1, Pmax) 6) System Impedance: 50 Ohms 7) Maximum Input: 20mw (13dbm) 8) Interface Form: Sma-k 9) Air Cooling Method: Active Air Cooling Note:due To Different Production Batches, There Are Differences In The Printing Of Appearance Labels, Which Will Not Affect The Use. Colour:green Material:plastic Package Contents: 1 X Rf 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.