Usage Tips:Optimal Performance: Experience superior broadcasting with our 315MHz RF Power Amplifier, designed to boost your signal's reach and clarity. This 25W transmitter ensures robust and reliable communication in various applications Durable and Compact: Crafted for both efficiency and longevity, this power amplifier features a compact design that makes it ideal for integration into existing setups without occupying excessive space Versatile Use: Perfect for amateur radio enthusiasts, commercial broadcasters, and scientific applications, ensuring broad compatibility and easy integration with various technologies Operating frequency: 315MHz (280-350MHz) Input power: 3d-12dBm Output power: 44.5dbm (25W) Power gain: 35dB 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 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 will not affect use Color: As Shown Material: Metal Package Contents: 1 * RF 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.