1. Optimized Performance: This Power Amplifier operates efficiently in the 390-470MHz frequency range, ideal for robust image transmission applications 2. With a powerful output of 25W, it ensures reliable signal amplification 3. Advanced Cooling System: Equipped with a dedicated heat dissipation mechanism and an integrated fan, the amplifier maintains optimal operating temperatures, enhancing and performance stability Operating frequency: 433MHz (390-470MHz) Input power: 15dBm Output power: 44.5dbm (25W) Power gain: 30dB Supply voltage: 12-18V Supply current: 3.0A (varies with output power) System impedance: 50 ohms Connector type: SMA-K Cooling type: Intelligent temperature-controlled fan Colour:As Shown Material:PCB+Metal Note: Do not power on when no load or load is seriously mismatched Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * 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.