1. Optimal Frequency Performance: Operating across a frequency range of 820-970MHz, this power amplifier is designed to enhance signal strength and quality, ensuring reliable communication and broadcasting capabilities. 2. Variable Output Power Levels: Capable of delivering multiple output power levels-13W at 41dBm with a 24V supply, 15W at 42dBm with a 28V supply, and 20W at 43dBm with a 28V supply-this amplifier offers flexibility for different technological needs. 3. Designed for Efficiency: Operating on a voltage range of 20-28V, with a recommended voltage of 24V, this amplifier maintains efficiency without compromising on performance, making it ideal for electronic applications. 4. Consistent Performance: With a working current of 1.7A, which varies depending on the supply voltage, and a system impedance of 50 ohms, this amplifier is built to deliver consistent, high-quality performance in demanding environments. Operating frequency: 820-970MHz (860MHz, 915MHz) Output power: 13W (41dBm 24V, RFin=5dBm (3mW))15W (42dBm 28V, RFin=5dBm (3mW) )20W (43dBm 28V, RFin=7dBm (5mW)) Operating voltage: 20-28V (24V recommended) Operating current: 1.7A (depending on the power supply voltage) System impedance: 50 ohms Connector model: SMA female (external screw inner hole) Note: an external heat sink is required Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:Silver Material:Metal Package Contents: 2 x 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.