This module is a one-way amplifier, meaning it can only transmit and not receive. Power supply voltage: 24-28V Frequency range: 600-1100MHz Output power: 8W (P1, Pmax) Heat dissipation method: automatic temperature control with active cooling Operating frequency: 600-1100MHz Operating voltage: 24-28V Operating current: 800mA Amplification gain: 30dB System impedance: 50 ohms Maximum input: 20mW (13dBm) Interface type: SMA-K Cooling method: active air cooling Note: Due to different production batches, variations in label printing on the appearance may occur; this does not affect functionality. Color: Green Material: Plastic Package Contents: 1 x RF Amplifier Note: The package includes only the items listed above. Other products are not included. Note: Lighting effects and display settings may cause slight color differences between the image and the actual item. Measurement error allowance is +/- 1-3cm.